Exercise

1. Make a lego model
2.  Write the correct formula
3.  Write the correct name

Compounds are made from

Na+1 and Cl-1

Al+3 and O-2

Al+3 and Br-3

H+1 and O-2

Al+3 and Cl-1

Na+1 and O-2

H+1and Br-1


Now create five more