Chemistry-10th Periodic Classification of Elements CBSE Board 2022 Medium
The electrons in the atoms of two elements X and Y are distributed in three shells having 1 and 7 electrons r…
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.
- (a)Write the group numbers of these elements in the Modern Periodic Table.
- (b)Write the molecular formula of the compound formed when X and Y combine with each other.
- (c)Which of the two is electropositive ?
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