It has 5 electrons. The electronic configuration of boron is 1s2, 2s2, 2p1. Two electrons are in the 1s orbital, two in the 2s and the last one is in the 2p orbital. The atomic number of boron is 5.

 

How many neutrons does boron have?

Boron has six neutrons. There are two stable naturally occurring isotopes of Boron, Boron-10, and Boron-11. Overall there are 15 isotopes of Boron of which 13 of them are radioisotopes. Boron-10 has 5 neutrons while Boron-11 has 6 neutrons. The abundance of Boron-10 is 19.9% while Boron-11 has 80.1%.

 

How many protons does boron have?

Boron has 5 protons in its nucleus. It is a chemical element with a symbol B and atomic number 5.

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Who discovered boron?

Boron was discovered by Louis Jacques Thénard, Sir Humphry Davy, and Joseph Louis Gay-Lussac in 1808.