Garnation
Garnation Garnation
  • 11-11-2020
  • Chemistry
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How would I find the answer?

How would I find the answer class=

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quasarJose
quasarJose quasarJose
  • 11-11-2020

Answer:

Kr

Explanation:

The noble gas that is isoelectronic with Br⁻ is krypton.

This is because krypton is the closest noble gas to Br on the periodic table.

Electronic configuration of Bromine is;

            2, 8, 18, 7

  Br⁻ becomes;  2, 8, 18, 8

  Krypton is;       2, 8, 18, 8

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