Question

11. The number of neutrons in Be® is Gomma Vainko ​

Answer 1

Answer:

For all atoms with no charge, the number of electrons is equal to the number of protons. The mass number, 40 is the sum of the protons and the neutrons. To find the number of neutrons, subtract the number of protons from the mass number

__________❤️

Answer 2

Explanation:

please follow me

please make me as brainlest answer