Counting Atoms

Front

What is the total number of atoms in the compound C2H8O?

Back

11

Front

How many Magnesium atoms are present in 10MgCl2?

Back

10

Front

How many atoms of carbon are in the compound C3H8?

Back

3

Front

What is the total number of atoms in the compound Al2O3?

Back

5

Front

What does the Law of Conservation of Mass state?

Back

Matter is neither created nor destroyed but can change from one form to another.

Front

What is a subscript in a chemical formula?

Back

A number written below and to the right of a chemical symbol indicating the number of atoms of that element in a molecule.

Front

What is a coefficient in a chemical equation?

Back

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

Front

How do you calculate the total number of atoms in a compound?

Back

Add the number of atoms of each element present in the compound.

Front

What is the chemical formula for water?

Back

H2O, which has 3 total atoms (2 Hydrogen and 1 Oxygen).

Front

What is the significance of the chemical formula C6H12O6?

Back

It represents glucose, a simple sugar with 24 total atoms (6 Carbon, 12 Hydrogen, 6 Oxygen).