What is the atomic number of boron 10?

1 Answer
S.S
Sep 22, 2016

5

Explanation:

Boron has 5 protons, 5 neutrons and 5 electrons.

The atomic number (also known as the proton number) of Boron is 5 as it has 5 protons.

It has a mass number of 10, as protons and neutron have a relative atomic mass of 1 each, and a neutral charge, as there are equal numbers of #+1# protons and #-1# electrons.

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