Question

What is barium??????

Answer 1

Barium is a chemical element with the symbol Ba and atomic number 56. It is the fifth element in group 2 and is a soft, silvery alkaline earth metal. Because of its high chemical reactivity, barium is never found in nature as a free element.

Symbol: Ba

Atomic mass: 137.327 u

Atomic number: 56

Answer 2

Answer:

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