rhodium

noun 0.745

rubidium

noun 0.675

rhenium

noun 0.665

dirhodium

noun 0.638

rutile

noun 0.609

tungsten

noun 0.606

iridium

noun 0.593

radium

noun 0.585

ruby

noun 0.584

molybdenum

noun 0.583

osmium

noun 0.580

ribulose

noun 0.575

uranium

noun 0.572

lutetium

noun 0.570

tantalum

noun 0.568

plutonium

noun 0.564

rose gold

noun 0.563

europium

noun 0.562

rare earth element

noun 0.561

palladium

noun 0.560

transition metal

noun 0.559

chromium

noun 0.557

niobium

noun 0.557

rutherford

noun 0.557

technetium

noun 0.555

tungsten carbide

noun 0.554

rud

noun 0.550

radionuclide

noun 0.547

noble metal

noun 0.545

zirconium

noun 0.545

titanium

noun 0.543

thulium

noun 0.537

rudd

noun 0.535

rare earth

noun 0.533

neptunium

noun 0.532

polonium

noun 0.529

yttrium

noun 0.529

transuranic

noun 0.528

rube

noun 0.527

bromine

noun 0.527

corundum

noun 0.527

titanium oxide

noun 0.526

rubrene

noun 0.526

rhodamine

noun 0.524

rub

noun 0.523

cobalt

noun 0.522

platinum

noun 0.522

rhodonite

noun 0.521

white rust

noun 0.521

radionucleotide

noun 0.520

nonmetal

noun 0.520

chromite

noun 0.519

hafnium

noun 0.519

thorium

noun 0.517

platinum group

noun 0.517

rusting

noun 0.517

radon

noun 0.516

wolframite

noun 0.515

curium

noun 0.513

vanadium

noun 0.513

rust

noun 0.513

rubredoxin

noun 0.512

ruthlessness

noun 0.511

nobelium

noun 0.510

ytterbium

noun 0.510

rouille

noun 0.509

titanium dioxide

noun 0.509

terbium

noun 0.509

metal carbonyl

noun 0.508

titanium nitride

noun 0.507

rheumatic

noun 0.506

uracil

noun 0.505

cuprite

noun 0.504

transition element

noun 0.503

russet

noun 0.502

skutterudite

noun 0.501

rheum

noun 0.501

rust fungus

noun 0.501

erbium

noun 0.500