∞ generated and posted on 2022.01.26 ∞
The number of protons associated with an atom.
| Elements are differentiated in terms of their Atomic Numbers since number of electrons but not number of protons can vary with ionization. |
Figure legend: Shown are hydrogen (H), carbon (C), nitrogen (N), oxygen (O), sodium (Na), magnesium (Mg), phosphorus (P), sulfur (S), chlorine (Cl), and potassium (K) along with their associated atomic numbers.