atomic number 57 English

Meaning atomic number 57 meaning

What does atomic number 57 mean?

atomic number 57

— noun (= lanthanum) a white soft metallic element that tarnishes readily; occurs in rare earth minerals and is usually classified as a rare earth

Examples atomic number 57 examples

How do I use atomic number 57 in a sentence?

Simple sentences

The atomic number for iron is 26.

Movie subtitles

Or an atomic number. Something from a periodic table.