Samples of four Group 15 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?

(1) As (3) P

(2) Bi (4) Sb

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Kali Baker

23 May, 10:34

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Massey · Answer 1

(2) Bi, or Bismuth, which has the largest atomic radii, requires the least ionization energy, or the energy to remove its most loosely held electron.

Samples of four Group 15 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?(1) As (3) P(2) Bi (4) Sb