(1) What is an element?
(2) What are transuranic elements?
(3) How are transuranic elements artificially produced?
(4) What is an isotope?
(5) Which isotopes are currently used in nuclear reactors and bombs?
(6) What are the isotopes of hydrogen?
(7) What is a nuclear reaction?
(8) What is the difference between mass number and atomic number?
(9) What "force" binds nucleons together to form atomic nuclei?
(10) Where do the natural elements after iron come from?