If an element is not on this chart, it will have a very short half-life or should not be an issue in a radiological emergency or nuclear event.
HALOGENS
TRANSITION METALS
ACTINIDES
FLUORINE
PHOSPHOROUS
SULFUR
CHLORINE
ARSENIC
SELENIUM
BROMINE
IODINE
ASTATINE
LITHIUM
BERYLLIUM
SODIUM
MAGNESIUM
POTASSIUM
CALCIUM
CHROMIUM
MANGANESE
IRON
COBALT
NICKEL
COPPER
ZINC
GALLIUM
RUBIDIUM
STRONTIUM
INDIUM
CESIUM
BARIUM
THALLIUM
SCANDIUM
TITANIUM
VANADIUM
YTTRIUM
ZIRCONIUM
NIOBIUM
MOLYBDENUM
TECHNETIUM
RUTHENIUM
RHODIUM
PALLADIUM
SILVER
CADMIUM
HAFNIUM
TANTALUM
TUNGSTON
RHENIUM
OSMIUM
IRIDIUM
PLATINUM
GOLD
MERCURY
RADIUM
LANTHANUM
CERIUM
PRASEODYMIUM
NEODYMIUM
SAMARIUM
EUROPIUM
GADOLINIUM
TERBIUM
DYSPROSIUM
HOLMIUM
ERBIUM
THULIUM
YTTERBIUM
LUTETIUM
ACTINIUM
THORIUM
PROTACTINIUM
URANIUM
PLUTONIUM
AMERICIUM