Barium

Ba

More about barium

The atomic number of barium is 56. The mass number is 137.33. The period number is 6. The group number is 2. The group name is alkali earth metals. The state of matter is solid. It is a metal.

Uses of barium

Barium is used for May things. One of them is rat poison. Another is a weighting agent. It's also used for making rubber.