Question

Hydrogen is the third most abundant element on the Earth's surface after oxygen and silicon.

A. True
B. False

Answer 1

The statement is false, hydrogen is not the third most abundant element on Earth's surface. It is actually the most abundant element in the universe but is only found in small amounts on Earth due to its low density and reactivity.

Step-by-step explanation:

False, Hydrogen is not the third most abundant element on Earth's surface.

It is actually the most abundant element in the universe, but on Earth, it is only found in small amounts due to its low density and reactivity.

Much of the terrestrial hydrogen is locked up in water molecules and organic compounds.