'Total atoms' presentation slideshows

Welcome to

Welcome to. 6 th Grade Matter Jeopardy. What Makes Up Matter?. Properties of Matter. Changing States. Matter Math Really Matters. $100. $100. $100. $100. $200. $200. $200. $200. $300. $300. $300. $300. $400. $400. $400. $400. Question for Column 1 $100.

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Chapter 6 Chemical Bonds and Compounds

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1 00

Subatomic Bomb. Metrically Dense. I can count. Wildcard. Go Isotopes!. 1 00. 1 00. 1 00. 1 00. 1 00. 2 00. 2 00. 2 00. 2 00. 2 00. 3 00. 3 00. 3 00. 3 00. 3 00. 4 00. 4 00. 4 00. 4 00. 4 00. 5 00. 5 00. 5 00. 5 00. 5 00.

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Twenty Questions

Twenty Questions. Review for Test. Twenty Questions. 1. What are the four signs of a chemical reaction?. Change in color Produces a gas Forms a solid Produces energy. 2. A chemical reaction that gives off energy. Exothermic Reaction.

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Wake-up

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Thermal Transport in Graphene Nano Ribbons

Thermal Transport in Graphene Nano Ribbons. COOPERATORS: WU Gang (IHPC) GAN Cheekwan (IHPC) CHIN Saikong (IHPC) WU Ping (IHPC) JIANG Jinwu (NUS)

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Unit 2 : Chapter 4

Unit 2 : Chapter 4. Nomenclature International naming system. Rules for a molecular formula for an ionic compound. A molecule is made of a positive and negative charged ion. The positive ion (cation) is written first. The negative ion (anion) is written second.

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Balancing Equations

Balancing Equations. Chemical Reaction. A chemical reaction is the process by which atoms of one or more substances are rearranged to form different substances. Reactant(s). Reactant(s) are the starting substance(s) of a reaction Reactant(s) are on the left. Product(s).

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Counting Atoms!!

Counting Atoms!!. Oct 5 th 2012. Reactants and Formulas. Write: HCl + NaOH ? NaCl + H 2 O And label the reactants and the products. The law of Conservation of Mass- the mass of substances in a closed system will remain constant, no matter what processes are acting inside the system.

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hole

Packing Efficiency of Unit Cells - 2D Example. Answer the following questions for both packing diagrams. Draw the unit cell for each packing example. How many atoms I are there in each unit cell?

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Counting Atoms

Counting Atoms. Counting Atoms. Subscript: the small # after an element symbol. Tells how many atoms there are of that element. Coefficient: the large # before a compound. Tells how many molecules there are. Coefficient. Subscript. 3CaCl 2. Counting Atoms. What is the coefficient?.

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Nanoparticles: A Brief Overview

Nanoparticles: A Brief Overview. What are they? How do we characterize them? Why are we interested?. solid state. molecular. Nanoparticles: What are they?. Nanoparticles are small elemental ensembles (typically on the nanometer scale). They often have unique properties due to the

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Remember!

Remember!. Compounds are made of 2 or more atoms of different kinds bonded together!. H 2 O - Water. C 6 H 12 O 6 - Glucose. When looking at a chemical formula, you may notice subscripts !. Biochemistry. Counting Atoms. Subscripts. Written below the level of the line

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Remember!

Remember!. Compounds are made of 2 or more atoms of different kinds bonded together!. H 2 O - Water. C 6 H 12 O 6 - Glucose. Biochemistry. Counting Atoms. Subscripts. Written below the level of the line Signify the number of atoms in the molecule 1 Mg atom + 2 Cl atoms ? MgCl2

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CONVERSATION STARTER

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2.1 Quiz #2

2.1 Quiz #2. Glucose = C 6 H 12 O 6 1 . How many different types of elements are in glucose? 2. How many total atoms make up one molecule of glucose? 3. Yes or no , the element helium a pure substance? 4. Yes or no , distilled water a pure substance?

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