An atom of boron has an atomic number of 5 and an atomic mass of 11. The atom contains 5 protons, 6 electrons, and 5 neutrons. 11 protons, 11 electrons, and 5 neutrons. 5 protons, 5 electrons, and 6 neutrons. 11 protons, 6 electrons, and 6 neutrons.
Answers (1)