2 reason why noble gases become less ideal in their behaviour down the group

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Brenden Ware

Chemistry

7 December, 12:27

2 reason why noble gases become less ideal in their behaviour down the group

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Elaine Everett · Answer 1

Well, to start with, since the atomic radius of the gas increases as it goes down the period, it causes there to be a decrease in the effect that the nucleus's positive charge has on the valence electrons (more electrons in between, and more distance). This causes the valence electrons to become less tightly bound to the atom, which translates to a deviation from the noble gases tendencies to remain nonreactive.