Question

how do the atomic mass and atomic number compare for helium?
helium does not have an atomic number.
the atomic mass and atomic number are equal.
the atomic mass is greater.
the atomic number is greater.

Explanation:

The atomic number of helium is 2 (number of protons), and its atomic mass is approximately 4 (sum of protons and neutrons). So the atomic mass is greater.

Answer:

The atomic mass is greater.