1

Lightest and most abundant chemical element, constituting roughly 75 % of the Universe‘s elemental mass.

Correct Answer: Hydrogen

Make the most of this question

This page focuses on one General Science question from Faculty. After checking the answer, return to the topic list to practice more or run a timed set.

General Science MCQ: Lightest and most abundant chemical element, constituting roughly 75 % of the Universe‘s elemental mass. | Extra Education