Hydrogen is an important element in the periodic table, and it is involved in various chemical reactions. There are several synonyms for the word hydrogens, including atomic hydrogen, hydrogen gas, deuterium, and tritium. Atomic hydrogen is used to refer to the neutral state of hydrogen, while hydrogen gas is the molecular form of the element. Deuterium is a hydrogen isotope that contains one proton and one neutron, which makes it twice as heavy as regular hydrogen. Tritium is a radioactive isotope of hydrogen with one proton and two neutrons. These synonyms for hydrogens are used in different contexts, such as scientific research, industrial applications, and environmental studies.