Define valency and predict the valency of the following elements: Element A-atomic number=6 (3) Element B-atomic number=12 Element C-atomic number=14 Element D-atomic number=17.
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Valency
valency is the combining capcity with other atoms.
Element A valency is 4, Element B- valency is 2, Element C valency is 4 , Element D valency is 1
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