Science, asked by manishamahajan835, 6 months ago

write electronic configuration and valency of elements whose atomic number is 23..

Answers

Answered by Bablu067

3

1 Answer. Since, atomic number is 13, and hence, electronic configuration is 2, 8, 3, thus the element is aluminium and its valency is three.

Answered by anshikachaudhary9990

0

Answer:

Explanation:

given atomic number: 23

electronic configuration: 1s2 2s2 2p6 3s2 3p6 3d3 4s2

valency= 5,4

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