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Element 117, discovered by Laboratory, one step closer to being named. Element 117, first discovered by Lawrence Livermor escientists and international collaborators in 2010, is one step closer to being named.
The number of protons in an atom is called its atomic number. Ernest Rutherford (1919) observed that nitrogen under alpha-particle bombardment ejects what appeared to be hydrogen nuclei. By 1920 he had accepted that the hydrogen nucleus is a distinct particle within the atom and named it proton.