Counting Atoms

Front

How many oxygen atoms are in 6H₂O?

Back

6

Front

How many chlorine atoms are in NaClO₄?

Back

1

Front

How many hydrogen atoms are in Pb(HCO₃)₄?

Back

4

Front

How many sulfur atoms are in H₂SO₄?

Back

1

Front

Consider 4MgI₂. The coefficient is the number of formula units of MgI₂.

Back

true

Front

The chemical formula is C₄H₁₀. How many hydrogen atoms are in one molecule of this?

Back

10

Front

Are there three carbon atoms in one formula unit of K₂CO₃?

Back

false

Front

Mg(NO₃)₂ has five oxygen atoms per formula unit.

Back

false

Front

How many molecules are represented by 2C₆H₁₂O₆?

Back

2

Front

How many atoms are in one molecule of C₁₂H₂₂O₁₁?

Back

45