Question

The three imaginary elements X, Y and Z represent a Dobernener's triad. If the atomic mass of element X is 14 and that of element Y is 46, then the atomic mass of element Z will be
(a) 28
(b) 60
(c) 78
(d) 72

Answer 1

Answer:

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Explanation:

78 !

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Answer 2

Hey mate !!

Ans: Your answer is (c) 78

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