Bismuth Bi

Atomic Number: 4
Atomic Mass: 20.89
Half-life: 19,000,000,000,000,000,000 years

Source:

• Found in bismuthinite, bismite, and bismutite ores, which are mined all over the world for use in producing malleable iron.
• As a catalyst for making acrylics.
• Some cosmetics and medicines ( Pepto-Bismol)
• Coal combustion, leaching from coal

Adverse Effects:

• Affects the heart and kidneys in high enough concentrations can lead to death
• Neurotoxicity expanded encephalopathy