Home > Chemistry > Atomic Structure > General ScienceWhat is the most common isotope of hydrogen?A. Deuterium B. Tritium C. Protium D. HeliumAnswer: ProtiumSubjects: Atomic Structure, Chemistry, General ScienceRelated MCQsWhat is the charge of a neutron?What is the term for the change of state from liquid to gas?What is the term for the change of state from solid to liquid?What is the term for the ability of a substance to be drawn into a thin wire?What is the largest organ in the human body?What is the primary source of energy for Earth’s ecosystem?What is the term for the number of protons and neutrons in the nucleus of an atom?Which of the following statements is true about the nucleus of an atom?Which gas is used in the process of photosynthesis?What is the smallest unit of an element that retains its properties?What subatomic particle has a positive charge?What is the process of converting solid directly into gas called?What is the main reason for the formation of ionic bonds?What is the role of ATP in cells?What is the pH of pure water?