Counting Atoms in Chemical Formulas Practice

Front

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

Back

Subscript

Front

What is the atom count for the compound 4C₂H₈O?

Back

C=8 H=32 O=4

Front

What do we call a chemical substance made up of 2 or more different types of atoms bonded together?

Back

Compound

Front

How many Oxygen atoms are in Al₂(SO₄)₃?

Back

12

Front

How many atoms are there TOTAL in H₂SO₄?

Back

7

Front

What is a Coefficient in a chemical formula?

Back

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

Front

What does a Subscript indicate in a chemical formula?

Back

The number of atoms of an element in a molecule.

Front

In the formula H₂O, how many Hydrogen atoms are there?

Back

2

Front

In the formula C₆H₁₂O₆, what does the '6' in C₆ represent?

Back

There are 6 Carbon atoms.

Front

What is the total number of atoms in the compound Ca(OH)₂?

Back

5 (1 Calcium, 2 Oxygen, 2 Hydrogen)