1. Arrange the following ions in order of increasing ionic radius : fluoride ion

Question

1.

Arrange the following ions in order of increasing ionic radius:

fluoride ion, aluminum ion, nitride ion, magnesium ion

Largest

2.

Arrange the following ions in order of increasing ionic radius:

sulfide ion, phosphide ion, calcium ion, potassium ion

Enter the FORMULA for each ion in the boxes below. Smallest

Largest

2.

Arrange the following ions in order of increasing ionic radius:

sulfide ion, phosphide ion, calcium ion, potassium ion

Enter the FORMULA for each ion in the boxes below. Smallest Largest

Explanation / Answer

Aluminum ion < magnesium ion < fluoride ion < nitride ion

Answer 2: calcium ion < potassium ion < sulfide ion < phosphide ion.

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