The symbol for Oxygen is O.
-The atomic number is 8 and the mass number is 15.999.
-The period number is one.
-The group number is 16.
-The group name is Oxygen Family.
-It is a gas and is nonmetal.
Animals need oxygen to survive.
Humans also need oxygen to survive. We breathe it in every single day.
Plants provide oxygen for animals and humans to stay alive. Without plants we wouldn't be here today.