Unit 3 Vocabulary 3

What is composed of two or more atoms connected by chemical bonds?

• Element

• Solution

• Molecule

• Colloid

Tags

NGSS.MS-PS1-1

What is a substance that cannot be broken down into simpler substances by chemical means?

• Molecule

• Element

• Compound

• Mixture

Tags

NGSS.HS-PS1-1

What is a molecule composed entirely of atoms from the same element called?

• Compound

• Elemental molecule

• Mixture

• Suspension

Tags

NGSS.MS-PS1-1

A substance made up of two or more different chemical elements bonded together in a fixed ratio is called a (a)   .

• Element
• Pure substance
• Compound molecule
• Homogeneous mixture

Tags

NGSS.MS-PS1-1

Match the following types of mixtures with their descriptions.

• A mixture with a uniform composition throughout

• Heterogeneous mixture

• A molecule consisting of only one type of element

• Elemental molecule

• A mixture with a composition that is not uniform and can be easily distinguished

• Homogeneous mixture

• A type of homogeneous mixture where one substance is dissolved in another

• Solution

Match the following terms with their definitions.

• A pure substance consisting of only one type of atom.

• Colloid

• A physical blend of two or more substances that preserve their identities.

• Compound

• A homogeneous mixture where the particles are dispersed throughout but are not heavy enough to settle out.

• Element

• A substance formed when two or more chemical elements are chemically bonded together.

• Mixture

Examples of

• Heterogeneous mixtures

• Homogeneous mixtures

• Suspensions

• Colloids

What is a homogeneous mixture of two or more substances that can exist in any phase?

• Element

• Solution

• Compound

• Mixture

Match the following types of mixtures with their characteristics.

• Pure substance consisting of only one type of atom

• Solution

• Mixture with solid particles that settle out over time

• Colloid

• Mixture with particles that do not settle out

• Suspension

• Homogeneous mixture where solute is completely dissolved

• Element

A mixture that contains microscopic, undissolved particles that do not settle out is called a (a)   .

• Solution
• Colloid
• Suspension
• Compound