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Definitions from the Web

Molecules

Description:

Molecules are the fundamental building blocks of matter composed of atoms that are chemically bonded together. They are the smallest unit of a chemical compound that retains its chemical properties.

Parts of Speech:

• Noun

Senses and Usages:

1. Chemistry:

In chemistry, molecules refer to the combination of two or more atoms held together by chemical bonds. They can exist as individual entities or as groups that form larger structures.

Example sentence: Water (H₂O) is made up of two hydrogen atoms bonded to one oxygen atom, forming a molecule.

2. Biology:

In biology, molecules are essential for the functioning of living organisms. They play crucial roles in cellular processes, biochemical reactions, and the formation of biological structures.

Example sentence: DNA, a macromolecule composed of nucleotides, carries genetic information and is responsible for the inheritance of traits.

3. Physics:

Molecules are also relevant in physics, where they are studied to understand their behavior and interactions. This field investigates properties like molecular structure, motion, and the forces between molecules.

Example sentence: The study of gas molecules and their collisions is a fundamental aspect of kinetic theory in physics.

Possible Related Products:

To dive deeper into the world of molecules, you may be interested in the following:

• Molecular Biology Books
• Chemistry Kits
• Physics Textbooks