alpha radiation

noun 0.787

alpha emitter

noun 0.721

alpha emission

noun 0.691

alpha decay

noun 0.672

beta particle

noun 0.612

alpha

noun 0.606

atomic nucleus

noun 0.606

charged particle

noun 0.606

proton

noun 0.604

subatomic particle

noun 0.600

elementary particle

noun 0.600

antiproton

noun 0.594

atomic

noun 0.570

positronium

noun 0.562

particle

noun 0.560

hydrogen ion

noun 0.559

photoelectron

noun 0.557

positron

noun 0.551

hadron

noun 0.551

alpha helix

noun 0.547

polonium

noun 0.545

proton number

noun 0.544

atom

noun 0.543

photon

noun 0.542

particle accelerator

noun 0.541

nuclear physics

noun 0.541

hydrogen

noun 0.541

neutron

noun 0.539

atomic power

noun 0.537

helium

noun 0.536

antihydrogen

noun 0.535

beta radiation

noun 0.535

protactinium

noun 0.535

antiparticle

noun 0.533

atomic pile

noun 0.533

nanoparticle

noun 0.526

plutonium

noun 0.525

atomic mass unit

noun 0.524

atomic formula

noun 0.522

fundamental particle

noun 0.521

atomic number

noun 0.520

atomic bomb

noun 0.520

onium

noun 0.520

antielectron

noun 0.518

nucleon

noun 0.517

nuclide

noun 0.513

parahydrogen

noun 0.510

alpha wave

noun 0.509

protium

noun 0.509

gamma ray

noun 0.508

atomic mass

noun 0.507

alpha version

noun 0.506

atomic weapon

noun 0.506

electron neutrino

noun 0.505

muonium

noun 0.504

alkaline earth

noun 0.502

uranium

noun 0.500