Which is NOT true about the atomic number?
A)The atomic number of an element is the number of protons in an atom.
B)The atomic number of an element is equal to the positive charge of an atom's nucleus.
C)The atomic number of an element is equal to the number of electrons in a neutral atom.
D)The atomic number of an element is equal to the number of electrons in a charged atom.

Question

Quizplus · Accepted Answer

The statement "The atomic number of an element is equal to the number of electrons in a charged atom." is not true. The number of electrons in a charged atom can vary depending on the specific charge on the atom (i.e. if it has lost or gained electrons).

Which Is NOT True About the Atomic Number