Which of the Following Statements Is True

Multiple Choice

Which of the following statements is true?

A) Ions are formed by adding or removing protons or electrons.
B) Scientists believe that solids are mostly open space.
C) Heating water with a Bunsen burner results in a 2:1 mixture of hydrogen and oxygen gases.
D) At least two of the above statements (A-C) are true.
E) All of the statements (A-C) are false.