Find the missing number from the given alternatives.
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Find the odd word/letters/number pair from the given alternatives.
Find the odd word/letters/number from the given alternatives.
Atomic number of which of the following elements is greater than that of Iodine
The modern periodic table consists of 18 groups and 7 periods. What is the atomic number of the element placed in the 1st group and the 4th period?
Choose the odd word/letters/number/number pair from the given alternatives.