Chemistry Vocabulary And Definitions

1. Define Atom.

A single individual particle

A group of particles

A form of energy

A type of molecule

An atom is the basic unit of matter that consists of a nucleus containing protons and neutrons, surrounded by electrons.

Explanation

An atom is the basic unit of matter that consists of a nucleus containing protons and neutrons, surrounded by electrons.

2. Define Molecule.

A particle containing 2 or more atoms

A type of cell found in living organisms.

A form of energy produced by chemical reactions.

A particle containing only one atom.

A molecule is a group of two or more atoms held together by chemical bonds. It is the smallest unit of a chemical compound that retains the chemical properties of that compound.

Explanation

A molecule is a group of two or more atoms held together by chemical bonds. It is the smallest unit of a chemical compound that retains the chemical properties of that compound.

3. Define Element.

A substance that cannot be made chemically simpler.All of its atoms are of the same type.

A substance that changes its chemical composition when exposed to heat.

A substance made up of multiple types of atoms.

A substance that can be broken down into simpler components.

An element is a pure substance made of only one type of atom, and it cannot be chemically broken down into simpler components.

Explanation

An element is a pure substance made of only one type of atom, and it cannot be chemically broken down into simpler components.

4. Define Compound.

A substance made up of only one chemical element.

A substance containing 2 or more different chemical elements

A substance that exists in its pure form.

A substance that cannot be broken down into simpler substances.

A compound is formed when two or more different elements chemically combine to form a new substance with its own unique properties. It is different from a pure element, which consists of only one type of atom.

Explanation

A compound is formed when two or more different elements chemically combine to form a new substance with its own unique properties. It is different from a pure element, which consists of only one type of atom.

5. Define Mixture.

Multiple substances that are chemically bonded together.

A mixture is composed of two or more substances that are physically combined but not chemically bonded. This allows the substances to be separated easily through physical means.

Only one substance that is a combination of multiple elements or compounds.

A single substance made up of only one element or compound.

2 or more substances (elements or compounds) that are NOT chemically bonded.

The correct definition of a mixture is when two or more substances are combined physically but retain their individual properties. This allows the substances to be separated through physical means, unlike in a compound where the elements are chemically bonded.

Explanation

The correct definition of a mixture is when two or more substances are combined physically but retain their individual properties. This allows the substances to be separated through physical means, unlike in a compound where the elements are chemically bonded.