One of each.
Total = 2.
A hydrogen atom always has one proton.
9.
46 protons
Magnesium is a metal element. There are 24 electrons in a single atom.
Lithium is a metal element. There are 3 electrons in a single atom.
Neon is a non metal element. There are 19 electrons in a single atom.
there are six protrons
there are 2 electrons in the inner shell of a hydrogen atom.
A hydrogen atom has 1 valence electron.
Hydrogen is a metal element. There are 1 electrons in a single atom.
Iodine has 53 protons, and in a neutral atom, the number of electrons is equal to the number of protons. Therefore, iodine also has 53 electrons. This balance of protons and electrons ensures that the atom is electrically neutral.
Zinc has 30 protrons, 36 neutrons, and 66 electrons