Element 18 find
A.valence electron
B.valency

Here is the answer

  • 0
Given- At. No = 18
1. Valence electrons --
Electronic configuration is - 2,8,8 (by Bohr and Bury 's theory)
There valence electrons =8 

2.Valency =0 (as outermost shell is fully filled)
  • -1
valence electron-2,8,8.
its valency is 0 because the shells are completly fill
  • 1
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