Chemistry, 04.05.2021 01:00 poptropic7623

Rb reacts with O in a mole ratio of 2 to 1, forming the ionic compound Rb20. Which of the following elements will react with O in a mole ratio of 2 to 1, forming an ionic compound, and why? A)
S, because it is in the same group as O.

B)
Cs, because it is in the same group as Rb.

C)
Sr, because it is in the same period as Rb.

D)
Br, because the atomic mass of Bris similar to that of Rb.

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Rb reacts with O in a mole ratio of 2 to 1, forming the ionic compound Rb20. Which of the following...

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