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Which is the electron configuration for boron?

a) 1s²2s3
b) 1s²2s²3s1
c) 1s¹2s22p²
d) 1s²2s²2p1

User Dave Gray
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1 Answer

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Boron atomic number is 5

It’s electronic configuration is
1s^(2)2s^(2) 2p^(1)

Option d is right

Facts about boron :

• Boron is a metalloid
• it is in 2nd period in periodic table
•its a 3 A group element
•it is rhombohedral in shape
User Stephane Martin
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