atomic number 91 English

Meaning atomic number 91 meaning

What does atomic number 91 mean?

atomic number 91

— noun (= protactinium) a short-lived radioactive metallic element formed from uranium and disintegrating into actinium and then into lead

Examples atomic number 91 examples

How do I use atomic number 91 in a sentence?

Simple sentences

The atomic number for iron is 26.

Movie subtitles

Or an atomic number. Something from a periodic table.