Characteristics of Chemical Reactions - Vocab

Atom

The smallest particle of an element; made of electrons, protons, and neutrons.

Chemical Process

Method or means of changing one or more chemicals of chemical compounds.

Chemical Reaction

The process by which one or more substances change to produce one or more different substances.

Molecule

The simplest unit of a chemical compound that can exist, formed when two or more atoms join together chemically

Precipitate

An insoluble solid formed from a chemical reaction.

Product

A substance produced during a chemical reaction.

Properties

Physical and chemical characteristics of matter used to describe or identify a substance.

Reactant

A substance that takes part in and undergoes change during a chemical reaction.

Synthetic Material

Materials made from one or more natural substances that undergo a chemical process.

Compound

A new substance with unique chemical and physical properties formed when two or more elements are chemically bonded during a chemical reaction.

Endothermic Reaction

A chemical reaction in which heat is absorbed.

Exothermic Reaction

A chemical reaction in which heat is released.

Oxidation

Reaction caused by oxygen combining with an element or substance, slowly changing into another substance with new properties

Qualitative observation

A research method in which researchers collect data using their five senses (sight, smell, touch, taste, and hearing)

Quantitative observation

A research method that involves measuring and quantifying characteristics of a phenomen