What is the atomic number of boron 10?

1 Answer
Sep 22, 2016




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.