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Chemistry 15 Online
OpenStudy (rose4825):

On the basis of electronegativity, which of these pairs of elements is most likely to form monatomic ions? Cl and Na K and Rb Ba and Ca Na and K

OpenStudy (aaronq):

I think they mean that when the two atoms approach one another an electron exchange will happen between the two, forming two ions, a positive ion and a negative ion. Which of these can exchange electrons? Hint: Find them on a periodic table.

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