Element x has mass no. 35and no. Of neuron 18 identify the group no.and period of x
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No. of protons = no. of electrons = 35 - 18 = 17
electronic configuration = 2 , 8 , 7
GROUP NO. : 17th
PERIOD NO. : 3rd
electronic configuration = 2 , 8 , 7
GROUP NO. : 17th
PERIOD NO. : 3rd
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