Atomic number of hydrogen
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ONEAtomic number of hydrogen
einsteiniumThe chemical element of atomic number 99, a radioactive metal of the actinide series. Einsteinium does not occur naturally and was discovered in 1953 in debris from the first hydrogen bomb explosion
protiumthe ordinary light hydrogen isotope of atomic mass 1
tritiumisotope of hydrogen having an atomic weight of three
thermonuclearof, relating to, or employing transformations in the nuclei of atoms of low atomic weight (as hydrogen) that require a very high temperature for their inception (as in the hydrogen bomb or in the sun)
protonican elementary particle that is identical with the nucleus of the hydrogen atom, that along with the neutron is a constituent of all other atomic nuclei, that carries a positive charge numerically equal to the charge of an electron, and that has a mass of 1.673 Î 10-27 kilogram