Enter a clue or pattern or both:

The Clue

Element #39 (7 letter answer)

The Answer

YTTRIUM

Tags


Notes

The answer YTTRIUM is so rare that it appears less than once every 2500 puzzles.

Definition

YTTRIUM as a noun:

1. (yttrium, Y, atomic number 39) = a silvery metallic element that is common in rare-earth minerals; used in magnesium and aluminum alloys