Respuesta :
Answer:
13
Explanation:
There are 4 protons, 5 neutrons, and 4 electrons. This is a neutral beryllium atom.
Uh according to my calculations it’s gotta be one of those answer choices.
Answer:
13
Explanation:
There are 4 protons, 5 neutrons, and 4 electrons. This is a neutral beryllium atom.