Introduction to Chemistry

Flashcards covering basic vocabulary terms related to chemistry.

Atom

The basic unit of a chemical element.

Molecule

Two or more atoms bonded together.

Compound

A substance formed when two or more different elements chemically bond.

Element

A pure substance that cannot be broken down into simpler substances.

Periodic Table

A table that organizes elements by their atomic number, electron configuration, and recurring chemical properties.

Chemical Reaction

A process that leads to the transformation of one set of chemical substances to another.

Reactants

Substances that start a chemical reaction.

Products

Substances formed as a result of a chemical reaction.

Catalyst

A substance that increases the rate of a chemical reaction without undergoing any permanent change.

pH Scale

A scale used to specify how acidic or basic a water-based solution is.