Subscripts and Coefficients Practice 2022

Front

What is a coefficient in a chemical formula?

Back

A coefficient is a number placed in front of a chemical formula that indicates how many molecules or atoms of that substance are present.

Front

What does the subscript in H₂O represent?

Back

The subscript '2' indicates that there are 2 atoms of Hydrogen in one molecule of water.

Front

In the formula 4NH₃, what does the '4' signify?

Back

The '4' is a coefficient indicating that there are 4 molecules of ammonia (NH₃).

Front

How many total atoms are in the compound H₂SO₄?

Back

There are 7 total atoms: 2 Hydrogen, 1 Sulfur, and 4 Oxygen.

Front

What is the purpose of subscripts in chemical formulas?

Back

Subscripts indicate the number of atoms of each element in a molecule.

Front

How many atoms of Oxygen are in H₂O?

Back

There is 1 atom of Oxygen in one molecule of water (H₂O).

Front

What does the formula C₆H₁₂O₆ represent?

Back

C₆H₁₂O₆ represents glucose, a simple sugar with 6 Carbon, 12 Hydrogen, and 6 Oxygen atoms.

Front

In the compound H₂SO₄, how many Sulfur atoms are present?

Back

There is 1 Sulfur atom in H₂SO₄.

Front

What is the difference between a coefficient and a subscript?

Back

A coefficient indicates the number of molecules, while a subscript indicates the number of atoms of an element in a molecule.

Front

How many atoms of Hydrogen are in the compound H₂O₂?

Back

There are 2 atoms of Hydrogen in H₂O₂.