pzelleyPeter pzelleyPeter

16-03-2015
Chemistry

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Chromium has the atomic number 24. How many electrons does a chromium atom need to receive from other atoms to satisfy the octet rule?

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Hippalectryon Hippalectryon

16-03-2015

24 atoms => electronic configuration : 1s2-2s2-2p6-3s2-3p6-s42-3d4 hence it needs 2 more electrons

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