ELEMENT X,Y,Z ARE PRESENT IN A TRIAD IN THEIR INCREASING ORDER OF ATOMIC WEIGHT. IF THE ATOMIC WEIGHT OF X AND Z ARE 39 AND 133 RESPECTIVELY, WHAT WILL BE THE ATOMIC WEIGHT OF Y
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Answer:
the ans is 86
Explanation:
in a triad it is said that the mass of the middle element is the arithmetic mean of the other two.
solution: (39+133)/2 = 86
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