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Answer:

Boron has atomic number 5, which means that it has 5 protons in its atomic nuclei.
The noble gas configuration is [He]2s
2
2p
1


Explanation:
Boron has atomic number 5, which means that it has 5 protons in its atomic nuclei. A neutral atom has the same number of electrons as protons, so a neutral boron atom has 5 electrons.