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6 Cards in this Set
- Front
- Back
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4 types of reactions |
-Synthesis Reaction - Decomposition Reaction -Single Replacement -Double Replacement |
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When 2 atoms combine to form a molecule. Ex: (4)K + O2 —> (2)K2O |
Synthesis Reaction |
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When a molecule breaks down into it’s atoms. Ex: (2)HgO + heat —> (2)Hg + O2 |
Decomposition Replacement |
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When an atom reacts with a molecule to form a new molecule and atom. Ex: Fe + CuSo4 —> FeSo4 + Cu |
Single Replacement |
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When two molecules react to form two new molecules. Ex: AgNo3 + KCl —> AgCl + KNo3 |
Double Replacement |
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NOTE |
There are 7 atoms that make diatomic molecules by themselves: H, N, O, F , Cl, Br, I |
