（ ）is a simple compound of two atoms of hydrogen and one atom of oxygen.
A: Protein
B: Water
C: Fat
D: Vitamin
A: Protein
B: Water
C: Fat
D: Vitamin
举一反三
- Water is a simple compound of two atoms of hydrogen and one atom of oxygen
- （ ）is a simple compound of two atoms of hydrogen and one atom of oxygen.
- A chemical compound that contains two atoms of oxygen and one atom of another chemical element is called ______
- Water ________ hydrogen and oxygen.
- Water is ____________ of hydrogen and oxygen.