science model - a physical or mathematical representation of a system of ideas, events or processes., Thomson - plum pudding , Chadwick - discovered neutrons , Rutherford - nuclear model, Bohr's model - electrons circle nucleus , current model - electron cloud , why do scientist used atomic models - modeling atoms allows scientist to explore the behavior of atoms, has 2 protons, atomic mass - the number of protons plus neutrons, has 19 electrons,

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Automatikus mentés visszaállítása :?