Chemical Formulas and Atom Counts Review

Front

In the formula for calcium chloride, CaCl₂, how many atoms of chlorine are present in a formula unit?

Back

2

Front

How many total atoms are in the formula H₂SO₄?

Back

7

Front

What is the formula for water?

Back

H₂O

Front

In the formula for calcium chloride, CaCl₂, how many atoms of calcium are present in a formula unit?

Back

1

Front

What is the formula for hexasulfur decoxide?

Back

S₆O₁₀

Front

What does the subscript in a chemical formula indicate?

Back

The number of atoms of the element in one molecule of the compound.

Front

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

Back

2 (1 sodium and 1 chlorine atom)

Front

How many oxygen atoms are in the formula C₆H₁₂O₆?

Back

6

Front

What is the chemical formula for carbon dioxide?

Back

CO₂

Front

In the formula for ammonia, NH₃, how many hydrogen atoms are present?

Back

3