Physics, asked by anjummadeha9, 5 months ago

Write down the characteristics of the element having atomic number 17
(i) elemetal family

Answers

Answered by aditya95250

2

Answer:

Chlorine has atomic number 17.

Electronic Configuration- 1s

2

2s

2

2p

6

3s

2

3p

5

.

Period Number-3

Group number- VII (A) or 17

Element Family- Halogens

No. of valence electrons- 7

Valency- 1

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