Understanding Empirical and Molecular Formulas

Understanding Empirical and Molecular Formulas

10th Grade

13 Qs

quiz-placeholder

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Understanding Empirical and Molecular Formulas

Understanding Empirical and Molecular Formulas

Assessment

Quiz

Chemistry

10th Grade

Medium

NGSS
HS-PS1-3

Standards-aligned

Created by

Roberto Rodriguez

Used 7+ times

FREE Resource

13 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 8 pts

What is an empirical formula?

A formula that shows the exact number of atoms of each element in a compound.

A formula that shows the simplest whole-number ratio of atoms in a compound.

A formula that shows the arrangement of atoms in a molecule.

A formula that shows the molecular weight of a compound.

2.

MULTIPLE CHOICE QUESTION

30 sec • 8 pts

What is a molecular formula?

A formula that shows the simplest whole-number ratio of atoms in a compound.

A formula that shows the exact number of atoms of each element in a compound.

A formula that shows the arrangement of atoms in a molecule.

A formula that shows the empirical weight of a compound.

3.

MULTIPLE CHOICE QUESTION

30 sec • 8 pts

Which of the following is an example of an empirical formula?

4.

MULTIPLE CHOICE QUESTION

30 sec • 8 pts

How do empirical and molecular formulas differ?

Empirical formulas show the exact number of atoms, while molecular formulas show the simplest ratio.

Empirical formulas show the simplest ratio, while molecular formulas show the exact number of atoms.

Both show the exact number of atoms.

Both show the simplest ratio.

5.

MULTIPLE CHOICE QUESTION

30 sec • 8 pts

6.

MULTIPLE CHOICE QUESTION

30 sec • 8 pts

All of the above

7.

MULTIPLE CHOICE QUESTION

30 sec • 8 pts

Which of the following statements is true?

The empirical formula is always the same as the molecular formula.

The molecular formula is always a multiple of the empirical formula.

The empirical formula is always a multiple of the molecular formula.

The molecular formula is always simpler than the empirical formula.

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