Subscripts and Coefficients Practice 2022

Subscripts and Coefficients Practice 2022

Assessment

Flashcard

Science

7th Grade

Practice Problem

Hard

Created by

Wayground Content

FREE Resource

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15 questions

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1.

FLASHCARD QUESTION

Front

What are subscripts in chemical formulas?

Back

Subscripts are numbers found on the lower right-hand side of an element symbol that indicate the number of atoms of that element in a molecule.

2.

FLASHCARD QUESTION

Front

What do coefficients in chemical formulas do?

Back

Coefficients multiply the entire molecule, indicating how many of that molecule are present.

3.

FLASHCARD QUESTION

Front

How many atoms are present if there is no subscript following the element symbol?

Back

There is only 1 atom present.

4.

FLASHCARD QUESTION

Front

What is an example of a compound?

Back

Water (H₂O) and carbon dioxide (CO₂) are examples of compounds.

5.

FLASHCARD QUESTION

Front

How many Hydrogen atoms are in 4H₂O?

Back

There are 8 Hydrogen atoms in 4H₂O.

6.

FLASHCARD QUESTION

Front

What is the purpose of a subscript in a chemical formula?

Back

To indicate the number of atoms of an element in a molecule.

7.

FLASHCARD QUESTION

Front

What does a coefficient of 3 in front of H₂O mean?

Back

It means there are 3 molecules of water, which contains a total of 6 Hydrogen atoms and 3 Oxygen atoms.

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