The electronic configuration of element Z is 2,8,7.What will be the number,period no.;groupno;and valence of this element?
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it is chlorine With atomic number 17, period 3rd, group 17th and valency 1 and no of valence electrons 7
zaraseymour:
z= chlorine
yes
group?
2 /3?
period no.?
group 17th and period 3rd
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Z- chlorine
atomic number of chlorine is 17
third period 17 group
valency of chlorine is 1 and valence electron of chlorine is 7
atomic number of chlorine is 17
third period 17 group
valency of chlorine is 1 and valence electron of chlorine is 7
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