What does Ba mean?

Barium is a chemical element with the symbol Ba and atomic number 56. It is the fifth element in Group 2, a soft silvery metallic alkaline earth metal. Barium is never found in nature in its pure form due to its reactivity with air. Barium’s name originates from Greek βαρύς barys, meaning “heavy”, describing the density of some common barium-containing ores.

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