an element has the electronic configuration 1s2
An element has the electronic configuration 1s2, 2s2, 2p6, 3s2, 3p2. Its valency electrons are:
(1) 6
(2) 2
(3) 3
(4)4
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negative four is multiplied through the quantity x 8 if 6x is then added to this the output is 2x 32 what is the value of x twice the quantity x 6
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