Group 1: Alkali Metals Group 17: Halogens
Group 2: Alkaline Earth Metals Group 18: Noble gases.
Write the group number that applies to the group below:
Oxygen Group: 16 Boron Group: 13
Carbon Group: 14 Nitrogen Group: 15
What do we call a row on the periodic table? Periods.
What do elements in a row have in common? Same number of energy levels.