Subscripts and Coefficients Practice 2022

Front

What are subscripts in chemical formulas?

Back

Subscripts are numbers found on the lower right-hand side of an element symbol that indicate the number of atoms of that element in a molecule.

Front

What do coefficients in chemical formulas do?

Back

Coefficients multiply the entire molecule, indicating how many of that molecule are present.

Front

How many atoms are present if there is no subscript following the element symbol?

Back

There is only 1 atom present.

Front

What is an example of a compound?

Back

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

Front

How many Hydrogen atoms are in 4H₂O?

Back

There are 8 Hydrogen atoms in 4H₂O.

Front

What is the purpose of a subscript in a chemical formula?

Back

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

Front

What does a coefficient of 3 in front of H₂O mean?

Back

It means there are 3 molecules of water, which contains a total of 6 Hydrogen atoms and 3 Oxygen atoms.

Front

If a chemical formula has a subscript of 2 after an element, what does it signify?

Back

It signifies that there are 2 atoms of that element in the molecule.

Front

What is the difference between a subscript and a coefficient?

Back

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

Front

In the formula C₆H₁₂O₆, how many Carbon atoms are there?

Back

There are 6 Carbon atoms in C₆H₁₂O₆.