The radioactive isotope of hydrogen is called___________?
A. tritium
B. deuterium
C. protium
D. ortho-hydrogen
The radioactive isotope of hydrogen is called___________?
A. tritium
B. deuterium
C. protium
D. ortho-hydrogen
The soul of chemistry is dealing with___________?
A. Internal structural changes in matter
B. Composition of matter
C. Properties of matter
D. Composition and properties of matter