15.   In which of the following cases does an atom have a positive charge?        A. There are more electrons than neutrons.   B. There are more electrons than protons.   C. There are more protons than electrons.   D. There are more neutrons than electrons.

Respuesta :

Answer:

An atom has a positive charge when there are more protons than electrons. Therefore, the correct answer is:

C. There are more protons than electrons.

Explanation: