Why Na element of group 1 and Cl element of group 17 both have a valency 1?
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HEYA!
Na is a metal whereas Cl is a non metal .
The metal and non- metals are divided by semi- metals group.
At left , Metals lies and at right , non - metals reside.
Hence, Na and Cl are placed in different groups!
Hope it helps!
Na is a metal whereas Cl is a non metal .
The metal and non- metals are divided by semi- metals group.
At left , Metals lies and at right , non - metals reside.
Hence, Na and Cl are placed in different groups!
Hope it helps!
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