3 Written Questions

1. CaCl2
2. Formation of a new solid product
3. NaCHO3

2 Multiple Choice Questions

1. Unit of a particular substances, groups of two or more atoms held together by chemical bonds
   1. Baking Soda
   2. Precipitate
   3. Molecules
   4. Molecules of water
2. Made of 2 Hydrogen atoms and 1 Oxygen atom
   1. Molecules
   2. Baking Soda
   3. Molecules of water
   4. Precipitate

2 True/False Questions

1. Periodic Table of the elements → Made of 2 Hydrogen atoms and 1 Oxygen atom

   True        False

2. Chemical Formula → A system to write down the type of atoms that make up a substance, a combination of chemical symbols and numbers to represent a substance

   True        False