Question
The atomic masses of $L i$ and $K$ are 7 and 39, respectively. According to law of triads the atomic mass of Na will be:(a) 23$\square$ (b) 32(c) 46$\square$ (d) 64
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Step 1: According to the law of triads, the atomic mass of the middle element is the average of the atomic masses of the first and third elements. Show more…
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