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Citrus2011 [14]
3 years ago
15

Which of these elements has an electron configuration of [Kr]5s2?

Chemistry
1 answer:
sergiy2304 [10]3 years ago
5 0

Rubidium

  • Atomic No-37
  • Short name-Rb
  • Block belongs=s-block.
  • Period=5th period
  • Group=1st group
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