1.

State the name of element, number of valence electrons, valency, the group number and the period number of each element given in the following table.Atomic NumberName of the ElementValence ElectronsValencyGroup NumberPeriod Number7111417

Answer»
Atomic NumberName of the ElementValence ElectronsValencyGroup NumberPeriod Number
7Nitrogen53152
11Sodium1113
14Silicon44143
17Chlorine71173


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