Counting Atoms

Front

What is the chemical formula for water?

Back

H₂O

Front

How many atoms are in one molecule of H₂O?

Back

3 (2 Hydrogen and 1 Oxygen)

Front

What does the subscript in a chemical formula indicate?

Back

The number of atoms of the element in the molecule.

Front

How many Hydrogen atoms are in 4H₂O?

Back

8

Front

How many Oxygen atoms are in H₂O?

Back

1

Front

What is the total number of atoms in H₂SO₄?

Back

7 (2 Hydrogen, 1 Sulfur, 4 Oxygen)

Front

How many different elements are in NH₄C₂H₃O₂?

Back

4 (Nitrogen, Hydrogen, Carbon, Oxygen)

Front

What is the chemical formula for table salt?

Back

NaCl

Front

How many Sodium (Na) atoms are in 6NaCl?

Back

6

Front

What is the total number of atoms in 2H₂O + 3O₂?

Back

10 (4 Hydrogen and 6 Oxygen)