magnesium has 12 protons
there are 12 protons in an atom of magnesium:-)
All magnesium atoms, regardless of the isotope, have 12 protons.
This is about magnesium element. Mg atom contains 12 protons.
The periodic table states that the atomic number of magnesium is 12. A magnesium atom would thus have 12 protons in its nucleus; any atom that has 12 protons must be a magnesium atom. Atomic number = number of protons
12
Each atom of the element magnesium contains exactly 12 protons.
12
12 protons, 12 electrons, 12 neutrons
12
The element with one more proton than sodium is magnesium. Sodium has 11 protons, while magnesium has 12 protons.
The element with 8 fewer protons than calcium is magnesium. Calcium has 20 protons, while magnesium has 12 protons.
Magnesium is atomnumber 12 with 12 protons.