The atomic number represents the number of:
A. electrons in an atom.
B. protons in an atom.
C. protons and neutrons in the nucleus of an atom.
D. neutrons in an atom.
Answer:B
The atomic number represents the number of:
A. electrons in an atom. B. protons in an atom. C. protons and neutrons in the nucleus of an atom. D. neutrons in an atom.