atomic number 90 English

Meaning atomic number 90 meaning

What does atomic number 90 mean?

atomic number 90

— noun (= thorium) a soft silvery-white tetravalent radioactive metallic element; isotope 232 is used as a power source in nuclear reactors; occurs in thorite and in monazite sands

Examples atomic number 90 examples

How do I use atomic number 90 in a sentence?

Simple sentences

The atomic number for iron is 26.

Movie subtitles

Or an atomic number. Something from a periodic table.