Barium

by Juan | Jan 7, 2026

1 min read 47 words

Table of Contents

56 Atomic Number

Atomic Weight 137.33

Melting Point 727°C

Boiling Point 1897°C

Element & Symbol	Atomic Number	Major Use(s)
Barium (Ba)	56	X-ray contrast agents, oil-well drilling muds, fireworks (green color).

Barium is a soft, silvery-white alkaline earth metal; highly reactive and found only in compounds.