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The top documents tagged [element symbol slide]
Compounds are two or more elements that are held together by opposite charge attraction. Oxygen-8 Magnesium-12 8 (+) 10 (-) -2 Charge 12 (+) 10 (-) +2
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By John Weide with modifications by Ken Costello
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Ionic compounds contain positive and negative ions. They are held together by electrostatic attraction. Most of the negative ions have only one possible
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Unit 15. Overview Nuclear Chemistry Isotopes Nuclear force Radioactive decay Alpha, beta, gamma decay Positron emission Electron capture Nuclear Stability
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Intro to Chemical Bonding. Why do atoms form chemical bonds? atoms bond to become more stable (lower energy) energy must be released when a bond is formed
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Aim: How to write chemical equations? DO NOW: 1. Define a chemical reaction. 2. What are some evidence of a chemical reaction occurring? 3. Give an example
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Atomic Symbols and Isotopes mass # neutrons + protons # protons = # of electrons for a NEUTRAL atom K 39 19 How many neutrons are present? How many electrons
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The Atom. Basic Atomic Theory Atom = “indivisible” in Greek Atoms are indivisible and indestructible Atoms of same element are identical Compounds
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