Arrange the Following Ions in Order of Decreasing Ionic Radius $\rarr$

question 20

Multiple Choice

Arrange the following ions in order of decreasing ionic radius: Al³⁺, Mg²⁺, Na⁺, O^2-. decreasing radius $\rarr$

• A)Al³⁺ > Mg²⁺ > O^2- > Na⁺
• B)Al³⁺ > Mg²⁺ > Na⁺ > O^2-
• C)Na⁺ > Mg²⁺ > Al³⁺ > O^2-
• D)O^2- > Al³⁺ > Mg²⁺ > Na⁺
• E)O^2- > Na⁺ > Mg²⁺ > Al³⁺

Determine the percentage of one quantity relative to another.

Calculate the earnings or fees based on a combination of fixed amounts, per unit amounts, and percentages.

Calculate original prices before a mark-up or margin.

Calculate expected outcomes given a percentage rate.

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