Formulae (2-Ch 3)

Question 1

Empirical formula

Answer 1

Simplest whole number ratio of the number of atoms of each element in a compound

Question 2

Molecular formula

Answer 2

The actual number of atoms of each element in a molecule

Question 3

Molecules

Answer 3

Represented by their molecular formula

Question 4

Giant structures

Answer 4

Represented by their empirical formula
- All ionic compounds
- Some giant covalent structures
- All metals
- Some non metals