Counting Atoms in Chemical Formulas

Front

What is the chemical formula for a compound with 3 Carbon, 5 Hydrogen, 3 Nitrogen, and 9 Oxygen atoms?

Back

C₃H₅(NO₃)₃

Front

How many atoms of Carbon, Fluorine, and Chlorine are in the formula 4CF₂Cl₂?

Back

C = 4, F = 8, Cl = 8

Front

What do coefficients in chemical formulas do?

Back

Multiply EVERYTHING!

Front

What is a coefficient in a chemical formula?

Back

A number written in front of a chemical formula.

Front

What are subscripts in a chemical formula?

Back

Numbers found on the lower right-hand side of an element symbol.

Front

How many total Oxygen atoms are in the formula C₃H₅(NO₃)₃?

Back

9 Oxygen atoms.

Front

If a chemical formula has a coefficient of 2 in front of H₂O, how many Hydrogen and Oxygen atoms are there?

Back

4 Hydrogen atoms and 2 Oxygen atoms.

Front

What is the purpose of subscripts in chemical formulas?

Back

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

Front

In the formula 5C₂H₆, how many total Carbon and Hydrogen atoms are there?

Back

10 Carbon atoms and 30 Hydrogen atoms.

Front

What happens to the number of atoms when a coefficient is applied to a chemical formula?

Back

The coefficient multiplies the number of each type of atom in the formula.