Hydrogen is the most abundant element in the known Universe; helium is second.
Hydrogen is the most abundant element in the known Universe; helium is second.
The question is flawed. Substance can mean element or molecule. I'll go with molecule since organic simply means carbon atoms are present. Hydrogen dioxide is the most abundant inorganic "substance".
Oxygen is the most abundant element on Earth. It comprises 49.5 percent of the total mass (amount) of the Earth's crust, waters, and atmosphere.
Oxygen is most abundant element .
The most abundant element where? It is the most abundant element in Earth's crust. The most abundant element on planet Earth, on the other hand, is iron, while the most abundant element in the Universe is hydrogen.
The most abundant element in the universe is hydrogen.
Oxygen is the most abundant element on earth. nitrogen
Oxygen is the most abundant element in the Earth's crust.
Hydrogen is the most common element in the universe, and in the Sun.
The most abundant element in the universe is hydrogen.
Hydrogen is the most abundant element in the universe.
Hydrogen is the most abundant element in the universe.