Science, asked by sonals6854, 1 year ago

An element "x"has mass number 35and the number of neutrons is 18. identify the group number and period ofx

Answers

Answered by avinash72

2

group no. is 17
periodic no. 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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