Question

What is the valence electron of chlorine.

Answer 1

7 ELECTRON ARE PRESENT IN THE VALENCE SHELL

BUT VALENCY OF CHLORINE IS -1

Answer 2

Answer:Chlorine has 7 valence electrons .

Explanation:

The electron configuration of chlorine is

1

s

2

2

s

2

2

p

6

3

s

2

3

p

5

or

[Ne]

3

s

2

3

p

5

.

The

3

s

2

3

p

5

electrons are the outermost electrons, so chlorine has seven valence electrons.

In a picture, the valence electrons are the ones in the outermost shell.

You can see in the diagram below that there are seven electrons in the outermost circle.

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