Counting Atoms in Chemical Formulas

Front

What do the red numbers in a chemical formula represent?

Back

Coefficients

Front

What do the blue numbers in a chemical formula represent?

Back

Subscripts

Front

What is a subscript in a chemical formula?

Back

A small number below an element symbol that indicates the number of atoms of that element.

Front

How many elements are present in the chemical formula C6H12O6?

Back

3

Front

How many atoms of Carbon are in the chemical formula CH4COOH2?

Back

2 Carbon atoms

Front

How many atoms of Hydrogen are in the chemical formula CH4COOH2?

Back

6 Hydrogen atoms

Front

How many atoms of Oxygen are in the chemical formula CH4COOH2?

Back

2 Oxygen atoms

Front

What is the purpose of coefficients in a chemical formula?

Back

Coefficients indicate the number of molecules or moles of a compound.

Front

What is the difference between coefficients and subscripts in a chemical formula?

Back

Coefficients apply to the entire molecule, while subscripts apply to individual elements.

Front

In the formula H2O, what does the '2' represent?

Back

The '2' is a subscript indicating there are 2 Hydrogen atoms.