Different elements have different numbers of protons. The number of protons identifies the element.
Because different elements have different numbers of protons, which determines the atomic number.
atomic numbers
They have different numbers of valance electrons
They have different numbers of valance electrons
They have different numbers of valence electrons.
Isotopes have different numbers of electrons, but not different atomic numbers (numbers of protons) or they'd be different elements.
ions
Isotope
Different compounds have different numbers of constituent elements. here is no set number.
Different atomic numbers represent different elements.
Because they have their own Numbers's own. Carbon and their own chemical.
Yes, atoms of different elements have a different number of protons.