Subscripts and Coefficients Practice

Front

How many Hydrogen atoms are in 4H₂O?

Back

8

Front

What are examples of compounds?

Back

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

Front

How many different elements are present in H₂COCH₂?

Back

3

Front

What are the numbers found on the lower right-hand side of an element symbol called?

Back

Subscript

Front

In H₂SO₄, how many atoms of Hydrogen, Sulfur, and Oxygen are there?

Back

H = 2, S = 1, O = 4

Front

What is a coefficient in a chemical formula?

Back

A coefficient is a number placed in front of a chemical formula to indicate how many molecules or atoms are present.

Front

What does the subscript in H₂O represent?

Back

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

Front

If a chemical formula has no subscript next to an element, what does that mean?

Back

It means there is only one atom of that element in the molecule.

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 total atoms are in the molecule C₆H₁₂O₆?

Back

24 (6 Carbon + 12 Hydrogen + 6 Oxygen = 24 total atoms).