Below Are Four Pairs of Atoms and Ions

question 60

Multiple Choice

Below are four pairs of atoms and ions. In which pair is the larger of the two species written first?

• A)S^2- and S
• B)Cu²⁺ and Cu
• C)O and O^2-
• D)Cr³⁺ and Cr

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Definitions:

Pentagon Papers

Informal name for the Defense Department’s secret history of the Vietnam conflict; leaked to the press by former official Daniel Ellsberg and published in the New York Times in 1971.

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Vietnam War

A prolonged conflict (1955-1975) between Communist forces in North Vietnam and non-Communist forces in South Vietnam, involving extensive U.S. military intervention.

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