S1.2.1 Define mass number (A), atomic number (Z) and isotopes [SL IB Chemistry]
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YouTubeRichard Thornley
S1.2.1 Define mass number (A), atomic number (Z) and isotopes [SL IB Chemistry]
Mass # = # of protons AND # of neutrons in an atom Atomic # = # of protons in an atom Isotopes of an element = Atoms of an element with the same atomic number, different mass #. Emperor Zog agreed to participate in this video but failed to show up after an AHIE (accidental halogen inhalation event) .
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