If atom X with six electrons in its outermost shell combines with atom Y with one electron in its outermost shell to form an ionic compound, then:

University of Ilorin CHM101 2020 past question

1. six atoms of X will combine with one of Y
2. two atoms of X will combine with six of Y
3. one atom of X will combine with two of Y
4. two atoms of X will combine with one of Y

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