Question

For atoms, which of the following statement is correct?

• A. Heavier nuclei have more neutrons than protons
• B. Heavier nuclei have equal number of protons and neutrons
• C. Lighter nuclei have more neutrons than protons
• D. Lighter nuclei have less number of neutrons than protons
• E. For heavier nuclei, atomic mass varies as square of atomic number

Answer 1

Answer: (A)

For atoms, heavy nuclei are the one that usually has more number of neutrons than protons. However, light nuclei are the one that has equal number of protons and neutrons.