Chemistry Definitions Beginner Quiz 5

A mixture that is the same throughout A mixture with visible parts A type of element

A mixture with visibly different parts A mixture that is the same throughout A type of atom

A container used to hold chemicals The smallest unit of an element that still has that element’s properties A single particle of a pure element

A large block of pure iron metal A particle made of two oxygen atoms joined together (O₂) A particle made of one carbon atom and two oxygen atoms (CO₂)

A mixture of liquids and gases A pure substance made of only one kind of atom An example like oxygen or gold

A single type of metal in solid form A substance made of two or more different elements chemically joined A substance like water, made from hydrogen and oxygen

The electrons that move around the atom The protons in the center of the atom The neutrons in the center of the atom

The number of protons in the nucleus of its atoms The total number of protons and neutrons added together The number of electrons in every possible energy level

A simple change from solid to liquid with no new substance Iron rusting to form a new substance Vinegar reacting with baking soda to make bubbles

A substance that tastes sour and can donate hydrogen ions in solution A slippery substance that feels soapy and is always neutral A gas that has no effect on other substances