an element x has mass number 35 and the number of neutrons is 18.identify the froup number and prieod of x
Answers
Answered by
0
the group of element x is 17 and period is 3
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 ) .
Similar questions