Question

② The
Number of electrons present in
Valency
Shell
of Hydroxide ion is
​

Answer 1

Answer:

8 Valence electrons.

Explanation:

The hydroxide ion (OH-) results in basic solutions with a pH greater than 7. There are 8 valence electrons available for the Lewis structure for OH-. Remember to put brackets and a negative sign around the Lewis structure for OH- to show that it is an ion.

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Answer 2

There are 8 electrons in the valency shell of hydroxide ion.

• The hydroxide ion is a chemical compound (in ionised state with the charge of negative 1) which is made out of hydrogen and oxygen. (Chemical formula = OH-)
• Now, the oxygen has 6 valence electrons, hydrogen has 1 valence electron and lastly there will be an extra electron for one negative charge of the ion.
• Total valence electrons = (6+1+1) = 8
• So, there will be 8 electrons in the valence shell of the hydroxide ion.