The 13 Most Badass Periodic Elements

    You don't want to meet these mofos in a dark alley.

    13. Iridium (Ir) - #77

    12. Curium (Cm) - #96

    11. Krypton (Kr) - #36

    10. Francium (Fr) - #87

    9. Chlorine (Cl) - #17

    8. Helium (He) - #2

    7. Bromine (Br) - #17

    6. Carbon (C) - #6

    5. Potassium (K) - #19

    4. Arsenic (As) - #33

    3. Gold (Au) - #79

    2. Mercury (Hg) - #80

    1. Hydrogen (H) - #1