what makes up the atomic mass? a. electrons + neutrons b. electrons + protons c. protons + neutrons
what makes up the atomic mass? a. electrons + neutrons b. electrons + protons c. protons + neutrons
Answer
Brief Explanations:
Atomic mass is mainly determined by protons and neutrons in the nucleus. Electrons have negligible mass compared to protons and neutrons.
Answer:
C. protons + neutrons