Question

Consider the ions of potassium (K) and sulfur (S). Write chemical formulas for all possible ionic compounds involving these ions, using the simplest ratio(s) of potassium (K) and sulfur (S). Keep in mind that the sum of the charges in an ionic compound must equal zero.

Answer 1

The potassium ion has a charge of +1 (K+) and the sulfur ion has a charge of -2 (S2-).
To form an ionic compound, the charges of the ions involved must balance each other out. In this case, the charges must add up to zero.
One possible combination is K+ and S2-, as their charges add up to zero. Therefore, the chemical formula for the ionic compound formed is K2S.
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Answer 2

The ions of potassium and sulfur can combine to form two different ionic compounds. The simplest ratios of the ions in these compounds are:

- Potassium sulfide: K2S
- Potassium sulfate: K2SO4

To determine the formulas, we need to make sure the charges balance out to zero. Potassium (K) has a charge of +1, and sulfur (S) has a charge of -2.

For potassium sulfide, we need two potassium ions to balance out the charge of one sulfur ion, so the formula is K2S. For potassium sulfate, we need two potassium ions and one sulfate ion (SO4^2-) to balance out the charges, so the formula is K2SO4.

Answer 3

The ions of potassium (K) and sulfur (S) have charges of +1 and -2, respectively.

Potassium sulfide:

Chemical formula: K₂S
Explanation: The ratio of K to S is 2:1 to balance the charges.
Potassium sulfate:

Chemical formula: K₂SO₄
Explanation: The ratio of K to SO₄ is 2:1 to balance the charges.
Note: These are the simplest ratios that fulfill the requirement that the sum of the charges in an ionic compound equals zero.

Answer 4

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Answer 5

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Answer 6

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