Based on the electron configuration of the two atoms, predict the ratio of metal cationic (+) atom to nonmetal anionic (-) atom in the compound. Lithium 1s^2 2s^1 Oxygen 1s^2 2s^2 2p^4 A. 1:1 B. 1:2 C. 2:1 D. 3:1

C. 2:1

Explanation:

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