95
actinides
americium chemical
at the
atom
atomic number
chemical reaction
chemical shield
chemist
chemists
continent
disposal
electron
electron shell
element
element symbol
energy
europium
experiment
fuel rods
halflife
industry
isotopically
meaning
metal
molecule
natural science
neutron
nuclear fuel
nuclear power plant
nuclear reactor
periodic table
physical chemistry
physics
plate
property
radiation
radioactive
radionuclide
reaction
reactions
research
rule
shield
sign
signs
silvery
spacecraft
supernova
surveillance
symbol
transuranic elements
transuranic waste