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ErinWeeks

  • 3 years ago

Write the formula obtained when this atoms loses or gains valence electrons and becomes an ion. Tell whether it is a cation or an anion. Be

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  1. him1618
    • 3 years ago
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    Atomic number for Be?

  2. ErinWeeks
    • 3 years ago
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    i guess i dont know

  3. him1618
    • 3 years ago
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    ITs 4..that means the valence shells ar filled like K=2 L=2

  4. him1618
    • 3 years ago
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    now L can hold 8 electrons....so the closest stable configuration would be K=2 L=0

  5. ErinWeeks
    • 3 years ago
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    what would the formulas be?

  6. him1618
    • 3 years ago
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    It loses 2 electrons so its Be 2+

  7. ErinWeeks
    • 3 years ago
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    okay so is it a cation or anion?

  8. him1618
    • 3 years ago
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    Cations are always +ve...so this is a cation ok?

  9. ErinWeeks
    • 3 years ago
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    okay so cation is positive and anion is negative right?

  10. him1618
    • 3 years ago
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    yup

  11. JTfan2000
    • one year ago
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    B2- anion

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