Counting Atoms

Front

What is the chemical formula for Ammonium Chromate?

Back

(NH₄)₂CrO₄

Front

How many atoms of Hydrogen are in one molecule of water (H₂O)?

Back

2

Front

What is the total number of atoms in 4H₂O?

Back

12 (4 H₂ + 4 O)

Front

How many Magnesium atoms are in the compound MgCl₂?

Back

1

Front

What is the total number of Chlorine atoms in 10MgCl₂?

Back

20 (10 MgCl₂ = 10 x 2 Cl)

Front

How many Oxygen atoms are in Al₂(SO₄)₃?

Back

12 (3 SO₄ = 3 x 4 O)

Front

What is the product of the reaction: 2H₂ + O₂?

Back

2H₂O

Front

How many Nitrogen atoms are in (NH₄)₂CrO₄?

Back

2

Front

What does the subscript in a chemical formula indicate?

Back

The number of atoms of the element in the molecule.

Front

What is the total number of atoms in the compound C₆H₁₂O₆?

Back

24 (6 C + 12 H + 6 O)