Question

What are the fundamental units of matter called?
a. gasesB. MoleculesC. AtomsD. Solids?

Answer 1

The correct answer is option C which is atoms.

Step-by-step explanation:

• Matter is made up of many tiny particles which are smallest units of matter. These units are known as atoms.
• Many atoms combined to form a molecule.
• These molecules are bonded to each other in different arrangement. Based on this arrangement, matter can be present in solid, liquid and gas form.
• In solid atoms are tightly arranged while in liquid they are loosely arranged.

Answer 2

The correct answer is option C. i.e Atoms. Tthe fundamental unit of matter is an atom. Atoms are made of made of sub-atomic particles too but the smallest unit of life is considered as an atom. Atoms combine to form molecules and then molecules combine with different types of interactions to form solids, liquids or gases.