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frez [133]
3 years ago
9

How many valence electrons does the element with the following electron configuration have? 1s22s22p63s23p64s23d104p4

Chemistry
1 answer:
sesenic [268]3 years ago
5 0

Explanation:

please refer to the attached file (English)

s'il vous plaît se référer au fichier ci-joint cher compagnon (French)

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