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He and Ne have no valence electrons, they have fully filled up shells: resp. 2 and 8 in the outer (valence) shell. There is nothing to add or abstract to get it better than it already is.
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What is the valency of argon?
the valency of argon is zero(0) because it is a noble gas i.e it does not react to any other element
Why does neon have zero valency?
The outer (valance) ring is full.
What is the valency of lithium?
valency of lithium - 1
What is the valency of Rutherfordium Dubnium Seaborgium Bohrium Hassium Meitnerium?
valency of Rf =4 valency of Db=5 valency of Sg=6 valency of Bh=7 valency of Hs=8 valency of Mt=unknown
What is the valency of ferric?
+3 valency
What is the valency of helium be?
helium's valency is zero as id does not combine with other elements
Which has valency equal to zero?
The noble gases.
Which element has least valency?
The noble gases have the least valency which is zero. It is because thay have a complete shells.
Which element have zero valency?
Noble gases were considered elements with zero valency; but today a significant number of noble gases (especially xenon) are known.
What is the valency of argon?
the valency of argon is zero(0) because it is a noble gas i.e it does not react to any other element
Why does neon have zero valency?
The outer (valance) ring is full.
How many valence e do the noble gases have?
noble gases are inert therefore they posses zero valency
What is the valency of lithium?
valency of lithium - 1
What is the valency of Rutherfordium Dubnium Seaborgium Bohrium Hassium Meitnerium?
valency of Rf =4 valency of Db=5 valency of Sg=6 valency of Bh=7 valency of Hs=8 valency of Mt=unknown
What is the valency of Bromide?
-1 valency
What is the Valency of sulfur?
The valency of sulfur is 2-. The valency of sulfur is 2-. The valency of sulfur (S) is +2
What is valency of sodium?
The valency of sodium is +1
