Elements and Compounds

How many non-valence electrons does a neutral boron atom have?

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2014-12-09 18:39:46
2014-12-09 18:39:46

There are two non-valence electrons in a neturol boron atom. The electronic configuration of neutral boron is 1s2, 2s2 2p1.

The three electrons in the 2d shell are the valence electrons; the non--valence electrons are in the 1s orbital.

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5 electrons because no. of protons= no. of electrons


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in a neutral atom the no of electrons must be equal to protons so their are 5 protons and it is Boron atom


All you need is the atomic number, which gives the number of protons, in this case, 5. In any neutral atom the number of electrons is the same as the number of protons. So any neutral boron atom will have 5 electrons.



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