Assertion: astatine | /r/HasProperty | atom
Facets:
Source sentences:
text: Radioactive Ion Beam facility created artificial isotopes of astatine (atoms with different numbers of neutrons than those occurring in nature) by shooting beams of energetic protons at a target of uranium (which has 92 protons and electrons).
text: Radioactive Ion Beam facility created artificial isotopes of astatine (atoms with different numbers of neutrons than those occurring in nature) by shooting beams of energetic protons at a target of uranium (which has 92 protons and electrons).