Element Whose Atomic Number Is 87
This page is the CodyCross answer for the clue below from Mexico, Group 1367, Puzzle 4 (Monarch Butterflies).
Question is: Element Whose Atomic Number Is 87
and the answer is: FRANCIUM
Word Meaning:
FRANCIUM — The chemical element (symbol Fr) with an atomic number of 87. It is an intensely radioactive alkali metal that is not found in nature.
Definitions from Wiktionary.