The Lightest of All Metals
This page is the CodyCross answer for the clue below from Fauna and Flora, Group 169, Puzzle 2 (Biologists and Botanists).
Question is: The Lightest of All Metals
and the answer is: LITHIUM
Word Meaning:
LITHIUM — (uncountable) The simplest alkali metal, the lightest solid element, and the third lightest chemical element (symbol Li) with an atomic number of 3 and atomic weight of 6.94. It is a soft, silvery metal.
Definitions from Wiktionary.