Flashcards 3.1

Front

Matter

Back

Anything that has mass and takes up space.

Front

Atom

Back

The basic unit of a chemical element.

Front

Nucleus

Back

The central part of an atom, containing protons and neutrons.

Front

Molecule

Back

A group of atoms bonded together.

Front

Compound

Back

A substance formed when two or more chemical elements are chemically bonded together.

Front

Hydrocarbon

Back

An organic compound consisting entirely of hydrogen and carbon.

Front

Solution

Back

A homogeneous mixture composed of two or more substances.

Front

Macromolecule

Back

A large complex molecule, such as proteins, nucleic acids, carbohydrates, and lipids.

Front

Protein

Back

A macromolecule that contains carbon, hydrogen, oxygen, and nitrogen; needed by the body for growth and repair.

Front

Nucleic Acid

Back

Biopolymers essential to all known forms of life, including DNA and RNA.