atomic number 21 English

Meaning atomic number 21 meaning

What does atomic number 21 mean?

atomic number 21

— noun (= scandium) a white trivalent metallic element; sometimes classified in the rare earth group; occurs in the Scandinavian mineral thortveitite

Examples atomic number 21 examples

How do I use atomic number 21 in a sentence?

Simple sentences

The atomic number for iron is 26.

Movie subtitles

Or an atomic number. Something from a periodic table.