Multiple choice

Atomic number is always _______ as that of atomic mass.

  1. same

  2. lesser than or equal

  3. greater

  4. lesser
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The atomic mass (protons + neutrons) is always greater than or equal to the atomic number (protons only). For hydrogen, they are equal; for all other elements, the mass is greater.

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