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15-09-2021
Chemistry

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How many valence electrons does B on the periodic table have

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Аноним Аноним

15-09-2021

Answer:

3

Explanation:

Boron(B) lies in 2nd period.
It has Atomic no 5
Lets look at Electronic configuration

[tex]\\ \bull\tt\dashrightarrow 1s^22s^22p^1[/tex]

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