The Formula for Sodium Carbonate, Na₂CO₃

The formula for sodium carbonate, Na₂CO₃
,represents a compound composed of

A) two atoms of sodium,three atoms of carbon,and three atoms of oxygen.
B) two atoms of sodium,one atom of carbon,and three atoms of oxygen.
C) six atoms of sodium,two atoms of carbon,and six atoms of oxygen.
D) one atom of sodium and one atom of carbonate.
E) two atoms of sodium and three atoms of carbonate.