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28 October, 15:04

Consider the two electron arrangements for neutral atoms A and B. Which atom is more stable? A - 1s2, 2s2, 2p6, 3s1

B - 1s2, 2s2, 2p6, 5s1

A

B

indeterminate

+4
Answers (1)
  1. 28 October, 17:12
    0
    The outer electron of atom B has moved to a higher energy state because (5s1 compared to 3s1. 5 is greater than 3). Therefore, your answer is B.
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