Question
Chemistry Question on Structure of atom
A di-negative ion of the element X consists of 10 electrons and 8 neutrons. A dipositive ion of the element Y consists of 12 protons. The number of neutrons in Y is 1.5 times the number of electrons in atom X. Then the mass numbers of X and Y would be in the ratio
A
1:2
B
2:3
C
3:2
D
2:5
E
1:3
Answer
2:3
Explanation
Solution
The correct option is (B) : 2:3