Common Cations and Anions

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9 Terms

1
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Sodium ion (Na+Na^+)

A positive cation with a +1+1 charge.

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Potassium ion (K+K^+)

A positive cation with a +1+1 charge.

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Calcium ion (Ca2+Ca^{2+})

A positive cation with a +2+2 charge.

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Magnesium ion (Mg2+Mg^{2+})

A positive cation with a +2+2 charge.

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Ammonium ion (NH4+NH_4^+)

A polyatomic positive cation with a +1+1 charge.

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Chloride ion (Cl−Cl^-)

A negative anion with a −1-1 charge.

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Hydroxide ion (OH−OH^-)

A polyatomic negative anion with a −1-1 charge.

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Nitrate ion (NO3−NO_3^-)

A polyatomic negative anion with a −1-1 charge.

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Sulfate ion (SO42−SO_4^{2-})

A polyatomic negative anion with a −2-2 charge.