Place the Following Ions in Order of Increasing Radius

question 99

Multiple Choice

Place the following ions in order of increasing radius. Br⁻ Na⁺ Rb⁺

• A) Br⁻ < Rb⁺ < Na⁺
• B) Na⁺ < Rb⁺ < Br⁻
• C) Rb⁺ < Br⁻ < Na⁺
• D) Br⁻ < Na⁺ < Rb⁺
• E) Rb⁺ < Na⁺ < Br⁻

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Definitions:

Aortic Semilunar Valve

A valve in the heart located between the left ventricle and the aorta that prevents blood from flowing back into the heart after it has been ejected.

Chordae Tendineae

Tendon-like cords in the heart that connect the papillary muscles to the tricuspid valve and the mitral valve, preventing their inversion during contraction.

Trabeculae Carneae

Irregular muscular columns that line the interior walls of the ventricles of the heart.

Pectinate Muscles

Internal ridges of myocardium in the atria of the heart.