Question
An element "X", having atomic number 16. gains two
electrons to form an anion X. What will be the atomic number of 'X' in the anion?Solution
The correct answer is B
More General science Common Questions
Find the wrong number in the given series.
12, 18, 27, 42, 62, 87
24, 12, 18, ?, 157.5, 708.75
3601 3602 1803 604 154 36
...60000 2400 120 8 0.8 ?
...2,0, 9, 20, ‘?’, 714
40 30 20 ? 7.5 4.375
Select the number from among the given options that can replace the question mark (?) in the following series.
8, 27, 64, 125, 216, ?
104Â Â Â Â Â Â 156Â Â Â Â Â Â Â 234Â Â Â Â Â Â Â ? Â Â Â Â Â Â Â 526.5Â Â Â Â Â Â Â 789.75
...15, 65, 165, 315, ?, 765
7 12 33 ? 635 3804
...
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