Atomic number - Numer of protons inside the nucleus, Mass number - Sum of protons and neutrons inside the nucleus, Cation - When an atom loses electron, Anion - When an atom gains electron, Valence electrons - Electrons in the outermost shell, Group number - Number of valence electrons,

Leaderboard

Visual style

Mga Option

I-switch ang template

I-restore ang gi-autosave: ?