Most Abundant Element, Found in Graphite, Diamond
Puzzle 20 of Periodic Table Medium Pack
Question is: Most Abundant Element, Found in Graphite, Diamond
and the answer is: CARBON
Word Meaning:
CARBON — (uncountable) The chemical element (symbol C) with an atomic number of 6. It can be found in pure form for example as graphite, a black, shiny and very soft material, or diamond, a colourless, transparent, crystalline solid and the hardest known material.
Definitions from Wiktionary.