Which is the electron configuration for boron?
a. 1s22s3b. 1s22s23s1c. 1s12s22p2d. 1s22s22p1?

Answer is: D.

Atomic number is the number of protons, which is characteristic of a chemical element: Boron is an element with atomic number 5, which means it has 5 protons and 5 electrons, bcause atom has neutral charge.

Electron configuration of boron: ₅B: 1s² 2s² 2p¹, it has three valence electrons in 2s and 2p orbitals.

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you did not give any options thus this is the best answer i can give to you with this little information you have given

> they are both natural and not man made

> they can be tracked and predicted by the right tools

-love shrooms