How many protons, neutrons, electrons, energy levels and valence electrons does Boron (B) have?

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How many protons, neutrons, electrons, energy levels and valence electrons does Boron (B) have?

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Answer 1 · 2017-07-31T04:42:07

Protons and neutrons and electrons are easy; just look at your Periodic Table........

Explanation:

For $B$ $B$ , $Z = 5$ $Z=5$ , i.e. its nucleus contains 5 protons, 5 positively charged, massive particles. And if there 5 protons, the neutral atom has 5 electrons conceived to whiz about the nuclear core, with a formal $1 s^{2} 2 s^{2} 2 p^{1}$ $1s^(2)2s^(2)2p^1$ configuration.

There are 2 common isotopes of boron: (i) $^{11} B$ $""^11B$ contains 6 neutrons, and is approx. 80% naturally abundant; and (ii) $^{10} B$ $""^10B$ with 5 neutrons, makes up the balance. The atomic mass of boron quoted on the Periodic Table, $10.81 \cdot g$ $10.81*g$ , reflects this isotopic abundance.

Most of the time, boron forms $B R_{3}$ $BR_3$ and $B X_{3}$ $BX_3$ compounds, i.e. $B^{I I I +}$ $B^(III+)$ ..........it can expand its valence shell to form $B X_{4}^{-}$ $BX_4^-$ and $B R_{4}^{-}$ $BR_4^(-)$ derivatives.

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How many protons, neutrons, electrons, energy levels and valence electrons does Boron (B) have?

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