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AriPotta

  • 3 years ago

.-.

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  1. SmartWish
    • 3 years ago
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    Fluorine is in group seven, hence seven outer electrons

  2. SmartWish
    • 3 years ago
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    2s2 + 2p5 = 2+5=7

  3. nincompoop
    • 3 years ago
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  4. AriPotta
    • 3 years ago
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    wat. SORCERY

  5. SmartWish
    • 3 years ago
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    Just remember that looking up the group (almost) only works for elements up to about atomic number 20

  6. AriPotta
    • 3 years ago
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    i don't think so. thanks again :]

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