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Atoms and Molecular Formulas

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Questions and Answers

What is the molecular formula for ozone?

O3 (correct)

Which of the following is NOT a component of soda based on the text?

Caffeine

Water

Ozone (correct)

Glucose

What is the molecular formula for glucose as mentioned in the text?

C8 H10 N4 O2

C6 H12 O6 (correct)

H2 O

What is the charge of a cation?

Positive charge (D) Signup and view all the answers

How is the formula for an ionic compound like magnesium nitride written?

Mg3N2 (D) Signup and view all the answers

What is the purpose of a molecular formula?

To determine the quantity of elements in a molecule (A) Signup and view all the answers

Why is it important to add the right type and quantity of ingredients in cooking?

To avoid ruining the recipe (A) Signup and view all the answers

In the molecular formula O2, what does the subscript '2' represent?

The quantity of atoms of each element (B) Signup and view all the answers

How does changing the quantity of ingredients in cooking relate to molecules?

It creates a different molecule (C) Signup and view all the answers

Why are atoms compared to ingredients in cooking?

Because both require precise type and quantity for desired results (D) Signup and view all the answers

What is the subscript of magnesium in the formula of magnesium nitride?

3 (B) Signup and view all the answers

In the formula for potassium chloride, what is the subscript of the anion?

1 (C) Signup and view all the answers

What is the charge of the cation in potassium chloride?

+1 (A) Signup and view all the answers

Why is the simplified formula for potassium chloride written as KCl?

To show that there are no subscripts in the compound. (A) Signup and view all the answers

If the charge of an anion is -2, what would be the subscript of the corresponding cation?

2 (D) Signup and view all the answers