Understanding Empirical and Molecular Formulas

Quiz
•
Chemistry
•
10th Grade
•
Medium
Standards-aligned
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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