what is the valency of Manganese (Mn)??
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1
Answer:
magnese can have as many as 7 Valence electrons.
Answered by
1
Answer:
Electronic config. : 1S² 2S² 2P⁶ 3S² 3P⁶ 4S² 3D⁵
The atom can lose 5 electrons to get stable (5 from 3D subshell) - Mn⁺⁵
Or, the atom can lose 7 electrons to get stable (5 from 3D subshell, and 2 from valence shell, ie 4S subshell)- Mn⁺⁷
So, it can have a valency of 5 or 7.
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