🎴 Flashcard Mode
Cosmochemistry
Card1 / 15
Mastered0
Review0
QuestionClick to flip
What is the most abundant element in the universe?
AnswerClick to flip back
A
Hydrogen
💡 Explanation:
Hydrogen is the most abundant element in the universe, accounting for about 75% of all matter. It is the lightest element and the simplest atom, consisting of a single proton and a single electron.