Acknowledgement I would like to express my sincere gratitude to my chemistry mentors Mrs. Smiti Gupta for her vital support‚ genius guidance and encouragement without which this project would not have come forth from my side. I would also like to express my heartly gratitude to the lab assistants Mr. Rajkumar Singh for his necessary suggestions and initiations during the making of this project. I am grateful to My Parents and My Sister whose blessings and wishes have gone a long way in the
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Subject: Chemistry Topic: The Periodic Table The periodic table is a classification of all the elements based on ATOMIC NUMBER. It is composed of HORIZONTAL PERIODS and VERTICAL GROUPS which contain the elements arranged: *the order of INCREASING ATOMIC NUMBER *in the relation to the ELECTRON STRUCTURE of the atoms *in the relation to their CHEMICAL PROPERTIES (Criteria Used For Placing ELEMENTS in the Periodic Table) 1. ATOMIC NUMBER 2. NUMBER OF SHELLS (PERIOD) 3. NUMBER OF OUTER
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Dynamic Chemistry Matter – Any substance that has volume & mass. E.g. EVERY THING Atom – The smallest non living thing that can exist. Atomic Structure – Particle | Symbol | Location | Charge | Mass | Proton | P | Nucleus | +1 | 1Heavy | Neutron | N | Nucleus | 0 | 1Heavy | Electron | E | Electron Shell or Orbit | -1 | 12000Light | History of the Atom – The model of the atom has changed with time. Dalton – solid shape (no subatomic particles) (indivisible particle) Rutherford
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The History and Progression of Chemistry The birth of the modern atomic theory. In 1750‚ Rudjer Boscovich‚ a scientist born in what is now Croatia‚ suggested the theory that atoms were "uncuttable" might have been wrong. Boscovich thought that atoms contain smaller parts‚ which in turn contain still smaller parts‚ and so forth down to the fundamental building blocks of matter. He felt that these building blocks must be geometric points with no size at all. Today‚ most atomic physicists accept a
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THE RULES AND REGULATIONS The following safety rules must be observed while performing any of the scheduled laboratory experiments in one of the Chemistry Laboratories. Students who are found in violation of the safety rules will be given a warning for the first offense‚ will be dismissed from the lab room for the second offense‚ and will be withdrawn from the class (lab as well as lecture) for the third offense. If a violation is observed at a particular lab table (such as spilled liquid - water
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Serena Contreras Advanced Chemistry period 2 Mrs. Horton
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AP Chemistry Lab 2: Analysis of Alum Lab Objective: In this lab we will analyze alum by two techniques in order to verify its identity. The melting point and the mole ratio of hydrated water to anhydrous aluminum potassium sulfate will be determined. Lab Procedure: 1. Use a mortar and pestle to crush alum. 2. Pack the alum in capillary tube‚ and then fasten it to the thermometer. 3. Fasten the thermometer to the ring stand. 4. Immerse the bottom of the
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AP Chemistry Period 1 Molecular Weight of a Condensable Vapor Lab Purpose: The purpose and objective of this lab was to find the molecular weight of a condensed vapor. Materials and Equipment: • Aluminum foil square (around 6cm on a side) • 125 mL flask • Barometer • 3 mL of unknown liquid • 200 mL graduated cylinder • 600 mL beaker • Pin • Balance (0.002g) • Bunsen Burner setup • Rubber band • Thermometer • Ceramic center wire gauze Procedure: 1. A 125 mL flask was obtained
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Polymer Chemistry Classification of Polymers – Notes prepared by The most common way of classifying polymers is to separate them into three groups - thermoplastics‚ thermosets‚ and elastomers5. The thermoplastics can be divided into two types - those that are crystalline and those that are amorphous. You may click on the words in the diagram below to learn more about these classifications. Thermoplastics Molecules in a thermoplastic are held together by relatively weak intermolecular
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Jamie Kim Mrs. Shaw Chemistry Honors 3 September 2014 Bubble Quality Lab Hypothesis: Bubble quality is most positively affected by the mixture of sugar and dish detergent due to the sticky consistency of sugar when emerged in liquid. Procedure: First of all‚ three cups were labelled according to their solution. Then‚ a teaspoon of dish soap and two-thirds of a cup of water was added and mixed to make cup#1. Next‚ a half teaspoon of table sugar was added to the same control solution and was
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