2.2

Question 1

Synthesis reactions

Answer 1

2 or more reactants come together to form 1 compound. A+B –> AB

Question 2

Decomposition reactions

Answer 2

when a compound is broken into 2 elements or a smaller compound. AB –> A+B

Question 3

Single displacement reactions

Answer 3

when a lone element replaces an element in a compound. AB + C –> AC + B

Question 4

Double displacement reactions

Answer 4

occurs between 2 ionic compounds. AB + CD –> AD + CB