Chemistry, 01.07.2019 22:30, kidus24

Samples of four group 18 elements, antimony, arsenic, bismuth and phosphorus are in the gaseous phase. an atom in the ground state of which element requires the least amount of energy to remove its most loosely held electron.

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Samples of four group 18 elements, antimony, arsenic, bismuth and phosphorus are in the gaseous phas...