Define valency. Give 2 examples for non metallic element and polyatomic ion
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number of elctrons present in outermost shell is called valency
non mettallic elements are
1)oxygen
2)sulfur
3)nitrogen
and polyatomic ions are
1)hydroxide 2)phosphate
non mettallic elements are
1)oxygen
2)sulfur
3)nitrogen
and polyatomic ions are
1)hydroxide 2)phosphate
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Valency is the combining capacity of an atom or of a radical.
Examples of non metallic elements:
Chlorine and Hydrogen
Examples of polyatomic ions:
Hydrogen carbonate and Hydrogen sulphate.
Examples of non metallic elements:
Chlorine and Hydrogen
Examples of polyatomic ions:
Hydrogen carbonate and Hydrogen sulphate.
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