Question

Which of the following does the atomic number of an atom represent?(1 point)
Responses

the number of particles outside the nucleus of the atom
the number of particles outside the nucleus of the atom

the number of protons in the atom
the number of protons in the atom

the number of particles in the nucleus of the atom
the number of particles in the nucleus of the atom

the number of neutrons in the atom


HELP

Answer 1

The atomic number of an atom represents **the number of protons in the atom**. This number determines the element's identity and its position on the periodic table.