Grade 10 Chemistry- Types of Reactions, & Diatomic Elements

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5 Terms

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Synthesis

Two or more reactants combine to form a single products.

H2+O = H2 O

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Decomposition

One reactant breaks down to form two or more products

2KCL = 2K + Cl2

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Single Replacement

An element reacts with a compound to form another element and compound

Zn + 2HCl = ZNCl2 + H2

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Double Replacement

Two compounds react to form two different compounds

FeS + 2HCl = FeCl2 +H2S

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Diatomic Elements

Elements that occur naturally as two bonded molecules

  1. Hydrogen (H2 )

  2. Nitrogen (N2 )

  3. Oxygen (O2)

  4. Fluorine (F2)

  5. Chlorine (Cl2)

  6. Bromine (Br2)

  7. Iodine (I2)