The electrons in the atoms of two elements X and Y are distributed in three shells
The electrons in the atoms of two elements X and Y are distributed in three shells having 1 and 7 electrons respectively in their outermost shells.
- Write the group numbers of these elements in the Modern Periodic Table.
- Write the molecular formula of the compound formed when X and Y combine with each other.
- Which of the two is electropositive ?
Answer
(a) X - 1; Y - 2
(b) XY
(c) X
- Exam Year: 2022
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