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1 giorno fa · Antimony is a silvery, lustrous gray metalloid with a Mohs scale hardness of 3, which is too soft to mark hard objects. Coins of antimony were issued in China's Guizhou province in 1931; durability was poor, and minting was soon discontinued. [10] Antimony is resistant to attack by acids.
- silvery lustrous gray
- group 15 (pnictogens)
- 51
- period 5
