Topic 4 - How Atoms Combine

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Author:
Anonymous
ID:
73268
Filename:
Topic 4 - How Atoms Combine
Updated:
2011-03-16 13:48:33
Tags:
Chemistry How Atoms Combine
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Description:
Standard Grade Chemistry - Topic 4 - How Atoms Combine
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  1. Why are the noble gases very stable elements?
    As they have a stable electron arrangement - 8 electrons in their outer shell
  2. When atoms combine they are held together by
    ______?
    bonds
  3. Non - metal elements bond together by sharing electrons. What is a shared pair of electrons called?
    A covalent bond
  4. A molecule containing two atoms bonded together is called a ______ molecule?
    diatomic
  5. Name the seven diatomic molecules
    • Hydrogen
    • Oxygen
    • Fluorine
    • Nitrogen
    • Chlorine
    • Bromine
    • Iodine
  6. In an equation what are shown on the left?
    the reactants
  7. In an equation what are shown on the right?
    the products

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