13-07-2019
Chemistry

contestada

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.

Respuesta :

Аноним Аноним

16-07-2019

Answer:

It is C.

Explanation:

The atomic mass = number of protons + number of neutrons

= 5 + 6 = 11. The number of protons = the number of electrons.

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