Premium Essay

Sample Written Report

In: Other Topics

Submitted By lora09
Words 1105
Pages 5
Claro M. Recto Information and Communication Technology High School

Doña Aurora St., Claro M. Recto, Angeles City

Telephone #(045) 887 5502

E-mail Add: Website:


Year and Section:



1. Trace the development of the Modern Periodic Table of Elements;

2. Describe the contributions of early scientists in the development of the Periodic Table of Elements; and

3. Analyze the basis of arrangement of elements in the Modern Periodic Table.


The periodic table is a table in which all of the known elements are listed. The table arranges the elements in order of increasing proton number to show the similarities of chemical elements. Therefore elements with structural similarities & atomic number are placed together. These elements can be placed into two different categories, metals & non-metals.

The early years of the 19th century witnessed a rapid development in chemistry. The art of distinguishing similarities and differences among atoms prompted scientists to devise a way of arranging the elements. Relationships were discerned more readily among the compounds than among the elements; thus, the classification of elements lagged many years behind the classification of compounds.

Development of the Periodic Table

It was in 1817 when Johann Wolfgang Döbereiner showed that the atomic weight of strontium lies midway between those of calcium and barium. Some years later he showed that other such “triads” exist (chlorine, bromine, and iodine and lithium, sodium, and potassium).

Another way of classifying the elements was later proposed by John Alexander Reina Newlands in 1864. He proposed that elements be classified in the order of increasing atomic weights.

As a result of an extensive correlation of the properties...

Similar Documents

Premium Essay

A Sba

...FRM/EDPD/112 CARIBBEAN CARIBBEAN SECONDARY EDUCATION CERTIFICATE® EXAMINATIONS COUNCIL INSTRUCTIONS TO SCHOOLS ON THE SBA LABORATORY EXERCISES, WRITTEN AND PRACTICAL COMPONENTS FOR INDUSTRIAL TECHNOLOGY AND INDUSTRIAL ARTS THE PRACTICAL COMPONENT 1. The laboratory exercises and practical projects in Building Technology, Electrical and Electronic Technology and Mechanical Engineering Technology are marked by a visiting examiner (Moderator) appointed by the Council. No Moderator is permitted to mark the work of students he has prepared for the examinations. The Moderator will visit each school twice during the final year. On the first visit he/she will assess the process of constructing the practical project/laboratory exercise of EACH student or group of students. On the final visit he/she will reassess the completed project work (product) of a sample of FIVE students already marked by the teacher. Note: • The Moderator selects the sample based on the total SBA scores awarded by the teacher. To facilitate this, the teacher must make a copy of his/her assessment on the Candidate’s Record Sheet available to the Moderator. The Moderator has the option of requesting additional assignments for reassessment, if needed. 2. 3 • If the number of students scheduled for the laboratory session is larger than can be accommodated at one session, the Assessor may divide them into two or more groups. In such circumstances the second......

Words: 1602 - Pages: 7

Premium Essay

Laboratory Information Management System (Lims)

...It has more specific functions such as the recording of a sample and details of customers, tracking of the sample, the used equipment in the analysis of the sample along with its quality control, the storage of data, and the report of the analysis. (Clint 2010) The main feature of a laboratory information management system is the management of registering and tracking if samples and test that take place in the laboratory. After the sample container arrival and registration, the LIMS tracks it and records its location. This may involve printing barcodes to identify the sample containers. However, it is also used to increase the amount of integration with instruments and applications what is done by creating files which will lead the operations on the sample; and to record and exchange electronic information what can be done through Oracle, SQL and Microsoft Access database. (Nicola 2012) Alongside the main functions mentioned above, a LIMS also manages the communication with clients, documents related to the samples and the personnel and workload. List of the main types of information that would need to be stored on a laboratory information management system: 1. Control of Substances Hazardous to Health (COSHH) records. 2. Scientific data. 3. Scientific apparatus. 4. Waste disposal. 5. Health and safety checks. 6. Training records. 7. Quality assurance. 8. Report records. 9. Specification levels. 10. Sample throughput. 11. Management. How information could be......

Words: 448 - Pages: 2

Free Essay

Formal Report Format

...Organic Chemistry Laboratory – CH 200L (2012 – 2013) 2A-BC Group 4 Experiment 1 Title of the Experiment Juan C. dela Cruz*, Pedro R. Reyes and Pablo S. Santos Department of Biochemistry, Faculty of Pharmacy University of Santo Tomas, Espana Street, Manila 1008 Date Submitted: ------------------------------------------------- Abstract The atoms in a compound are held together by a chemical bond. There are two types of chemical bond: ionic and covalent bond. An ionic or electrovalent bond results from the electrostatic attraction between metal and non-metal atoms by the transfer of electrons. _____________________________________________________________________________________ Introduction The atoms in a compound are held together by a chemical bond. There are two types of chemical bond: ionic and covalent bond. An ionic or electrovalent bond results from the electrostatic attraction between metal and non-metal atoms by the transfer of electrons. One example is the formation of bond between a sodium metal atom and a chlorine non-metal atom [1]. In contrast, covalent bond involves the sharing of valence electrons between non-metal atoms. A covalent bond becomes polar when there is unequal sharing of bonding electrons. This happens when the elements involved in the bond has a significant difference in their electronegativity, such as in hydrochloric acid, HCl. Equal distribution of bonding electrons leads to the formation of a non-polar covalent bond. ...

Words: 761 - Pages: 4

Free Essay


...executive summary is to summarize a report. Executive summaries are written for executives who most likely do not have time to read the complete document. Therefore, the executive summary must cover the major points and be detailed enough to mirror the content yet concise enough for an executive to understand the substance without reading the entire report. An executive summary differs from an abstract. Readers use an abstract to decide whether to read the complete document. They read an executive summary to obtain information without having to read the report in full. The executive summary should be written as a document that can stand on its own and is usually written on one or two pages, depending on the length of the report. It restates the purpose of the report and describes any results, conclusions, or recommendations made in the report so that the reader understands the reasons for the conclusion or recommendations. Acronyms, symbols, and abbreviations must be written out. Tables and figures in the report should not be referred to by number in the executive summary. The audience for an executive summary is receptive to the message, so the writer should assume that the audience wants to know and understand the message. It is written in a formal tone using an impersonal style and eliminating first person pronouns (I, we, our, etc.). Use the following guidelines when writing an executive summary: • • • • • State clearly the purpose of the report. Present the major points......

Words: 1022 - Pages: 5

Free Essay

Irregular Students

...Business Letters A business letter is more formal than a personal letter. It should have a margin of at least one inch on all four edges. It is always written on 8½"x11" (or metric equivalent) unlined stationery. There are sixparts to a business letter. 1. The Heading. This contains the return address (usually two or three lines) with the date on the last line. Sometimes it may be necessary to include a line after the address and before the date for a phone number, fax number, E-mail address, or something similar. Often a line is skipped between the address and date. That should always be done if the heading is next to the left margin. (See Business Letter Styles.) It is not necessary to type the return address if you are using stationery with the return address already imprinted. Always include the date. 2. The Inside Address. This is the address you are sending your letter to. Make it as complete as possible. Include titles and names if you know them. This is always on the left margin. If an 8½" x 11" paper is folded in thirds to fit in a standard 9" business envelope, the inside address can appear through the window in the envelope. An inside address also helps the recipient route the letter properly and can help should the envelope be damaged and the address become unreadable. Skip a line after the heading before the inside address. Skip another line after the inside address before the greeting. 3. The Greeting. Also called the salutation. The greeting in a......

Words: 1145 - Pages: 5

Premium Essay


...Correlation Correlation is a statistical technique that can show whether and how strongly pairs of variables are related. For example, height and weight are related; taller people tend to be heavier than shorter people. The relationship isn't perfect. People of the same height vary in weight, and you can easily think of two people you know where the shorter one is heavier than the taller one. Nonetheless, the average weight of people 5'5'' is less than the average weight of people 5'6'', and their average weight is less than that of people 5'7'', etc. Correlation can tell you just how much of the variation in peoples' weights is related to their heights. Although this correlation is fairly obvious your data may contain unsuspected correlations. You may also suspect there are correlations, but don't know which are the strongest. An intelligent correlation analysis can lead to a greater understanding of your data. Techniques in Determining Correlation There are several different correlation techniques. The Survey System's optional Statistics Module includes the most common type, called the Pearson or product-moment correlation. The module also includes a variation on this type called partial correlation. The latter is useful when you want to look at the relationship between two variables while removing the effect of one or two other variables. Like all statistical techniques, correlation is only appropriate for certain kinds of data. Correlation works for quantifiable......

Words: 2286 - Pages: 10

Premium Essay

Design of a Car Jack

...SUMMARY This Project report details the design and development of a motorized car jack powered the 12 V DC electric outlets available in most modern cars. The motivations behind the project and the objectives and goals of the project are also discussed. Although it was initial plans were to develop a pneumatically operated jack that would work on the car exhaust fumes, rough calculations showed that this idea would not be feasible for safe operation. We later settled on the project idea of a conventional scissor jack that would be operated electrically through the cigarette lighter outlet. Moving further there were two options available – design a scissor jack form the ground up or to retrofit existing jacks with a motor. It was collectively decided to opt for the retrofit. Pros and cons of this are discussed in the report. The report provides comparisons of the various component selections and the reasons behind the selection. The main goal was to find creative ideas to keep costs low and to increase safety margins as high as possible. 1. INTRODUCTION AN automotive jack is a device used to raise all or part of a vehicle in order to facilitate repairs. It is an indispensable tool for any vehicle.owner. Anybody who has owned and driven car for a substantial time has had to use a jack to replace a tire at some point. Most people are familiar with the basic car jack (manually operated) that is still included as standard equipment with most new cars. Not......

Words: 3207 - Pages: 13

Free Essay

Sustainable Use

...levels, soil temperature, & soil moisture content? Thearea has an economy based primarily on agriculture, with a high percentage of the landscape developed for use in growing and processing produce. We are asking if this development has a significant impact on the environment and if the continual use of this land in this manner is sustainable in the long-term. Washington State Next Generation Science Standards 1. Developing & Using Models. 2. Constructing explanations and design solutions. 3. Natural Resources. 4. Cause and effect. 5. Energy and Matter. 6. Stability and Change. Identify key skills students will learn in this project. List those skills that you plan to assess (2-4) 1. Data Collection, taking samples. 2. Graphing and logging results. 3. Reviewing and analyzing data i.e.; soil moisture content and temperature, air temperature and humidity levels. 4. Public presentation and discussion of results and outcomes on a regular basis and during a culminating event. 5. Use of the Scientific Method. Identify the habits of mind that students will practice in this project (1-2). 1. Thinking Flexibly. Am I only gathering data and charting results, or am I trying to understand the overall purpose of the project? 2. Metacognition. Am I thinking and rethinking, analyzing why I come to certain conclusions? Do my thinking patterns help or hinder my growth? 3. Gathering Data...

Words: 1331 - Pages: 6

Premium Essay


...Samples are provided for reference only. Always consult current legislation in your jurisdiction to create policies and procedures and contracts for your organization. SAMPLE AGREEMENT This Agreement is entered into as of the XX day of October, 200X, between ___________(“the Committee”) and ____________ (“the Contractor”). 1. Independent Contractor. Subject to the terms and conditions of this Agreement, the Committee hereby engages the Contractor as an independent contractor to perform the services set forth herein, and the Contractor hereby accepts such engagement. 2. Duties, Term, and Compensation. The Contractor’s duties, term of engagement, compensation and provisions for payment thereof shall be as set forth in the budget which is attached as Schedule A, which may be amended in writing from time to time, or supplemented with subsequent estimates for services to be rendered by the Contractor and agreed to by the Committee, and which collectively are hereby incorporated by reference. 3. Expenses. During the term of this Agreement, the Contractor shall bill and the Committee shall reimburse her for all reasonable and approved out-of-pocket expenses as set forth in Schedule A which are incurred in connection with the performance of the duties hereunder. 4. Written Reports. The Committee may request that project plans, progress reports and a final results report be provided by Consultant.. A final results report shall be due at the conclusion of the......

Words: 950 - Pages: 4

Free Essay

Fundamental of Business Writing

...Chapter One Introdution: Fundamentals of Business Writing I. The major differences between school writing and business writing School writing, typically in the form of essays, is aimed at impressing the audience, i.e. examiners. To score high, student writers have to use fairly complicated vocabulary and sentences in their written work. Business writers, however, mainly aim to communicate information to their colleagues, clients, and other associated parties. They are relatively free to use what language that can get the business done efficiently and effectively. II. Seven steps in the process of wring 1. clarifying your aim 2. identifying your readers 3. making a general plan 4. sketching a synopsis (大纲) 5. drafting your text 6. putting the draft aside 7. revising and editing ★ Writing is a recursive and creative process. The detailed plan is not adhered to in actual writing. Writers frequently come up with ideas that are activated in the process of writing. Writers read the text they have already produced to help generate more ideas. In effect, the writing process is no linear at all but is characterized by recursive ness and creativeness. III. Three principles of business writing 1. Clarity – means setting your message across clearly. (See detailed information on page 4) 2. Consideration – good business writers take their readers’ needs, problems, and reactions to the writing into consideration. And......

Words: 12607 - Pages: 51

Premium Essay


...Chapter 1: Assurance services: 认证业务 Independent professional services that improve the quality of information for decision makers. Attestation services: 鉴证服务 A type of assurance service in which the public accounting firm issues a written communication that expresses a conclusion about the reliability of a written assertion of another party. Audit of historical financial statements: A form of attestation services, the auditor issues a written report expressing an opinion about whether the F/S is in material conformity (一致) with accounting standards. e.g.: listed company must provide shareholders with annual financial statements that are audited by an independent accounting firm. Review of historical cost financial statements: A form of attestation services, a public accounting firm issues a written report that provides less assurance than an audit as to whether the financial statements are in material conformity with accounting standards. Auditing standards: Establish mandatory (强制) requirements and provide explanatory (解释) guidance to auditors in fulfilling their professional responsibilities in the audit of financial reports. Auditing: Is the accumulation and evaluation of evidence about information to determine and report on the degree of correspondence between the information and established criteria. Auditing should be performed by a competent, independent person. Compliance audit: 合规性审计 One of three primary types of audits, a review of an organization’s financial......

Words: 4162 - Pages: 17

Premium Essay

American Conector

...SUPPLY CHAIN MANAGEMENT DESIGNATION PROGRAM MODULE THREE Logistics and Transportation ©Supply Chain Management Association Supply Chain Management Professional Designation Program Copyright © 2013 by the Supply Chain Management Association No part of this material in this manual may be reproduced without the prior written consent of the Supply Chain Management Association. 777 Bay Street, Suite 2701, P.O. Box 112, Toronto, Ontario M5G 2C8 Tel: (416) 977-7111 Fax: (416) 977-8886 Web Site: Use of this material is restricted to SCMA and its Provincial/Territorial Institutes for the express purpose of delivering the Supply Chain Management Designation Program. No other use is authorized, expressed, or implied. This material must be used in its entirety. © Supply Chain Management Association Supply Chain Management Professional Designation Program Module Three Logistics and Transportation Information and Overview .................................................................................................... IO – 1 General Information ........................................................................................................ IO – 2 Module Overview ........................................................................................................... IO – 4 Module Readings ............................................................................................................ IO – 7 Session and......

Words: 6233 - Pages: 25

Premium Essay

Critique of Research Report

... RESEARCH REPORT CRITICAL ANALYSIS OF RESEARCH REPORT DEFINITION Research critique is a planned careful critical evaluation of a piece of research work against the prescribed criteria to judge the strenth and weakness of the research study. Critique should be balanced , wherealternative suggestions must be provided to further enforce the strenth and eliminate the weakness of the study to improve overall quality of the research project. PURPOSES * To provide inputs regarding the strenth and weakness of a study to the researchers. * To provide suggestions to the students regarding the methodological flaws in their research project and also to evaluate the understanding of the research by the students. * To judge the scientific merits of the study. * To take a decision whether to publish the study in journal or not. GUIDELINES FOR WRITING A RESEARCH CRITIQUE * Read & understand the research report carefully. * Carryout the critical appraisal of all the aspects of the research report before writing the critique of a research report. * Avoid general vague statements : be objective and sensitive while framing the negative comments , and be practical by considering all the limitations of the research. * Keep a balanced approach in the research critique by presenting both strong and weak points of the report, because certainly no report can be without any......

Words: 1185 - Pages: 5

Free Essay


...The Internship Report Rationale ∗ (Eng 498/698) Because the student who does an internship receives credit from the university, graded credit determined by the technical writing faculty, there needs to be documentation in addition to the site supervisor's evaluation as a basis for that graded credit. Submitting an internship report not only provides the faculty with a document which qualifies the student for graded credit, it also provides the faculty with in-depth information about the profession they are responsible for preparing students to participate in. Furthermore, and of considerable importance, the internship report increases the student's responsibility by requiring the student intern to gather information and plan the report throughout the work experience. The student then has an opportunity to demonstrate maturity as a technical writer by presenting, analyzing, and evaluating his or her own work on the job. Report Content and Format The internship report comprises four parts, each involving a different kind of information and a different mode of written discourse: (1) introduction, (2) narrative, (3) analysis and evaluation, and (4) appendix. Introduction The introduction explains the setting where the work was accomplished and gives a sense of how the intern's job related to the entire work of the hiring organization. This section lends itself to the inverted pyramid organization, moving from general information about the entire organization to a......

Words: 931 - Pages: 4

Premium Essay

Audit Program Design Part Ii

...Audit Program Design Part II Company: Apollo Shoe Company Audit Begins: January 19, 2010 Audit Ends: March 31, 2010 (Tentative) AUDIT SCOPE: Sales/revenue and collection cycle Payroll and personnel cycle Acquisition and payment cycle All Transactions, orders, and payments processed January 1, 2007 through December 31, 2007 AUDIT OBJECTIVES: • To determine internal control compliance to sub objectives for payroll and personnel cycle, sales/revenue and collection cycle, and the acquisition and payment cycle. • To obtain control evidence and documentation about the existence, accuracy, classification, timing and completeness of recorded acquisition transactions. CRITERIA: Statement on Auditing Standards (SAS) No. 99 – Fraud Auditing Standards AUDITOR ASSIGNMENTS: John Butler – Sales and Collection David Sargent – Payroll and Personnel Perry Boydstun – Acquisition and Payment Cycle METHODOLOGY: Each auditor will perform their assigned area of tests of controls and substantive test using sampling techniques as appropriate. Strengths and weaknesses’ should be denoted by using a “S” or “W” on each area applicable area of the flowchart and checklist of each assigned area. The summary status (“Ss” and “Ws”) will be listed in the bridge worksheet for SOX 404 Audit analysis.   Bridge Worksheet for Sales and Collection Cycle – SOX 404 Audit Public companies typically rely heavily on proper internal controls to maintain an effective sales...

Words: 1550 - Pages: 7