Respuesta :

quasarJose

Explanation:

Atomic number of the atom is 20 in neutral state.

  • The atomic number is the number of protons in the atom.
  • Protons are positively charged particles in an atom.
  • So, the atom has  a proton number of 20
  • Also, for a neutral atom, the number of protons is equal number of electrons.
  • Number of electrons in the atom is 20