ricoleslie13 ricoleslie13
  • 24-03-2020
  • Chemistry
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Please help me answer this question.

Please help me answer this question class=

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Mistystar4881
Mistystar4881 Mistystar4881
  • 31-03-2020

Hey there!

The incorrect one is B. Cl²⁻.

Cl actually has a charge of 1- because it only needs one more electron to fill its valence shell.

S²⁻ is correct because it needs 2 more electrons to fill its valence shell, and Br⁻ is correct because it needs 1 more electron to fill its valence shell.

Hope this helps!

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