Introduction to Basic Principles

This set of flashcards covers key vocabulary terms and definitions introduced in the basic principles of science.

Principle

A fundamental truth or proposition that serves as the foundation for a system of belief or behavior.

Atom

The basic unit of a chemical element, consisting of protons, neutrons, and electrons.

Molecule

A group of atoms bonded together that represents the smallest fundamental unit of a chemical compound.

Chemical Reaction

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

Catalyst

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

Mixture

A combination of two or more substances that are not chemically combined and can be separated.

Solvent

The substance in which a solute is dissolved to form a solution.

Solute

The substance that is dissolved in a solvent to form a solution.

pH Scale

A scale used to specify the acidity or basicity of an aqueous solution.

Ion

An atom or molecule that has a net electric charge due to the loss or gain of one or more electrons.