Lithium, sodium and potassium form a Dobereiner’s triad. The atomic masses of lithium and potassium are 7 and 39 respectively. Predict the atomic mass of sodium.

Periodic Classification Of Elements

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22/11/2020 11:02 am

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romiroy12

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Lithium, sodium and potassium form a Dobereiner’s triad. The atomic masses of lithium and potassium are 7 and 39 respectively. Predict the atomic mass of sodium.

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22/11/2020 11:04 am

Anonymous

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Atomic mass of Na = 7 + 39/2

= 46/2 = 23

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Lithium, sodium and potassium form a Dobereiner’s triad. The atomic masses of lithium and potassium are 7 and 39 respectively. Predict the atomic mass of sodium.

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