Atomic Number 69

Definition of Atomic Number 69

• 1. A soft silvery metallic element of the rare earth group; isotope 170 emits X-rays and is used in small portable X-ray machines; it occurs in monazite and apatite and xenotime Noun

Synonyms for word "atomic number 69"

Semanticaly linked words with "atomic number 69"

Hyponims for word "atomic number 69"