An element X has most number 35 and the number of neutrons is 18 identify the group number and period of x
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Answered by
2
mass number =no.of neutrons+no.of protons
let the no. of protons be x
35=18+x
35-18=x
17=x
let the no. of protons be x
35=18+x
35-18=x
17=x
ishajaan:
hlo
where is the grp no. and period
I will tell u
wait
I know it
bt want say that edit ur answer
group no.=17
period no. 3
valency =1
Answered by
0
Answer:
We know :
Atomic number = Mass number - No. of neutrons.
Atomic number = 35 - 18
= > 17
Electronic configuration :
2 , 8 , 7
Group no. = 17
Period no. = 3
Name of element is Chlorine ( Cl ) .
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