actinide Synonyms

actinoid actinon f-block element americium series element curium series element heavy element plutonium series element thorium series element uranium series element berkelium series element californium series element einsteinium series element fermium series element mendelevium series element actinide element atomic number ninety transuranium element paramagnetic th heavy metal alpha decay radioactive decay americium atomic number 90 atomic number 93 NP beta decay lanthanide breeder reactor nuclear fuel actinides