(N)

(Cl)

(O)

(S)

Copper

Manganese

Chromium

Iron

{Oj} 7S⁵

{Ar} 3S³

{Ne} 2S⁵

{Ar} 4S¹

1s² 2s² 2p⁴

[He]2s²2p⁵

[He]2s²2p⁴

[Xe]6s²4f⁴

{Ar} 4s² 3d¹⁰

4s¹ 3d¹⁰

3d⁹

ZInc

Vanadium

Titanium

Iron

[He]2s22p6

[He]2s²2p¹

[Ar]4s²3d¹

[Ne]3s23p5

2s⁴ 1s² 2p⁴

3s⁴ 1s⁴ 1s³

1s² 2s² 2p⁶

2s⁴ 1s⁴ 2p⁴

S^2-

Al³⁺

Na⁺