Science, asked by M07635, 6 months ago

5)How many valence electrons are in an atom of Cl.
6)How many valence electrons are in an atom of K.
7)How many valence electrons are in an atom of Ar.

Answers

Answered by GoodSisters
1

Answer:

5. 1 valency

6. 1 valency

7. 0 valency

Answered by art3mi5
0
Cl - Chlorine
Atomic no. 17
2,8,7
8-7 = -1

Answer -1

6) k- Potassium
No. 19
2,8,8,1

Answer = +1

7)ar - Argon
No. 18
2,8,8

Answer = 0
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