Chemistry, asked by goutam220, 1 year ago

An element X has a mass number 35 and the number of neutrons is 18 identify the group number and period of x

Answers

Answered by devkathiriya
0
chlorine is the answer x

rushat14aug: see the question again.
devkathiriya: Group number is 17 and Period number is 3
Answered by BendingReality
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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