The elements with atomic numbers greater than 92 are all human-made. What element was produced when Es-253 was bombarded with an alpha particle, producing a new element and a neutron? Include the atomic number, symbol, and mass number.

Scientists have developed an explanation of a phenomenon from several verified hypotheses. the explanation has been confirmed through numerous experimental tests.which option best describes this explanation? a. scientific lawb. research questionc. hypothesisd. scientific theory