Counting Atoms Flashcard

Front

What is the total number of atoms in a molecule of C3H6?

Back

9

Front

How many hydrogen atoms are in the molecule C3H6?

Back

6

Front

What does a subscript in a chemical formula indicate?

Back

The number of atoms of the element in the molecule.

Front

If a molecule has the formula C2H4O, how many total atoms are present?

Back

6

Front

What is the significance of the coefficient in a chemical equation?

Back

It indicates the number of molecules or moles of a substance.

Front

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

Back

1

Front

What is the total number of atoms in the molecule C4H10?

Back

14

Front

In a chemical formula, what does the letter represent?

Back

An element.

Front

How many total atoms are in the molecule C6H12O6?

Back

24

Front

What is the role of subscripts in chemical formulas?

Back

They show the number of each type of atom in a molecule.