ErinWeeks
  • ErinWeeks
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
Chemistry
schrodinger
  • schrodinger
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anonymous
  • anonymous
Atomic number for Be?
ErinWeeks
  • ErinWeeks
i guess i dont know
anonymous
  • anonymous
ITs 4..that means the valence shells ar filled like K=2 L=2

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anonymous
  • anonymous
now L can hold 8 electrons....so the closest stable configuration would be K=2 L=0
ErinWeeks
  • ErinWeeks
what would the formulas be?
anonymous
  • anonymous
It loses 2 electrons so its Be 2+
ErinWeeks
  • ErinWeeks
okay so is it a cation or anion?
anonymous
  • anonymous
Cations are always +ve...so this is a cation ok?
ErinWeeks
  • ErinWeeks
okay so cation is positive and anion is negative right?
anonymous
  • anonymous
yup
JTfan2000
  • JTfan2000
B2- anion

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