Chemistry Definitions Beginner Quiz 1

The smallest unit of an element that retains its properties A type of molecule A large collection of molecules

H ₂ O (water) A single hydrogen atom A glass of water

A substance made of only one kind of atom A mixture of different atoms A type of solution

A substance made of two or more different elements chemically bonded A single atom A mixture of elements

A chart organizing all known elements by their properties A table used for eating meals A list of chemical reactions

A process in which substances change to form new substances Mixing sand and water Melting ice

A mixture where one substance is dissolved in another A type of atom A chemical reaction

A substance that increases the amount of H ⁺ ions in water A substance that increases the amount of OH ^- ions in water A type of metal

A substance that increases the amount of OH ^- ions in water A substance that increases the amount of H ⁺ ions in water A type of gas

A combination of two or more substances not chemically bonded A single element A chemical reaction