Question

write the electronic configuration of copper2+ , mg4+ , al2+ , li2+​

Answer 1

Answer:

Explanation:

1s2 2s2 2p6 3s2 3p6 4s1 3d10

Answer 2

mg

mg=12

mg=12-4

mg=8

1s^2 2s^2 2p^4

al=13

al=13-2

al=11

1s^2 2s^2 2p^6 3s^1

li=3

li=3-2

li=1

1s^1

copper=29

=29-2

=27

1s^2 2s^2 2p^6 3s^2 3p^6 4s^2

3d^7

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