Chemistry, asked by priyanka348, 1 year ago

electronic configuration and valency of gold lead cobalt and copper
please answer this question

Answers

Answered by farhatkochu

2

Valency of cobalt is 2

priyanka348: copper????

Answered by filesender9

0

29 copper 2, 8, 18, 1

47 silver 2, 8, 18, 18, 1

79 gold 2, 8, 18, 32, 18, 1

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