an element X has mass number 35 and the number of neutrons is 18 identifythe group and period of X
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Group =17 and period =3
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atomic number of X = mass number of X - no. of neutrons
= 35 - 18 = 17
therefore, electronic configuration of X = 2,8,7
group number = 17
period no. = 3
valency = 8-7= 1
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= 35 - 18 = 17
therefore, electronic configuration of X = 2,8,7
group number = 17
period no. = 3
valency = 8-7= 1
HOPE ITS HELP YOU...
Make me BRAINLIST...
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