Compund Words

Last Search Words

Sponsored Links

Search Result:atomic number 20

atomic number 20   (TTS Sound)



Overview of noun atomic_number_20

The noun atomic number 20 has 1 sense


  • calcium, Ca, atomic number 20 -- (a white metallic element that burns with a brilliant light; the fifth most abundant element in the earth's crust; an important component of most plants and animals)