Helium... from the greek word helios... the sun <span>selenium... from the greek word selene... the moon </span> <span>palladium.. after the asteroid pallas </span> <span>tellurium...from the greek word tellus... the earth </span> <span>mercury...after the planet mercury </span> <span>cerium... after the asteroid ceres </span> <span>uranium...after the planet uranus </span> <span>neptunium.. after the planet neptune </span> <span>plutonium.. after the planet pluto</span>
