What does "atomic number 41" mean?

a soft grey ductile metallic element used in alloys; occurs in niobite; formerly called columbium

What is a synonym for "atomic number 41"?

Common synonyms include: nb, niobium.

Rare ·Advanced level

Noun

1
a soft grey ductile metallic element used in alloys; occurs in niobite; formerly called columbium wordnet