Pure Substances and Mixtures Test Review

Pure substance made of two or more kinds of atoms bound together

• Molecule

• Pure Substance

• Mixture

• Compound

A salad is an example of –

• A pure substance

• A mixture

• An element

• A compound

Which of the following is an example of an element?

• Water

• Table Salt

• Hydrogen

• Carbon Dioxide

A single substance, either an element or compound, with definite composition and properties

• Mixture

• Element

• Compound

• Pure Substance

Which of the following is a characteristic of a molecule?

• It is the smallest unit that maintains its properties.

• All matter is made of these.

• It is unstable by itself

• It can be broken down into smaller pieces.

A sample of matter that has a definite composition with specific chemical properties is called __________.

• Mixture

• Pure Substance

• Solution

Tags

NGSS.MS-PS1-4

Molecule

• The smallest unit of an element that has all of the properties of that element and contains a nucleus within an electron cloud

• A pure substance that cannot be separated into simpler substances by physical or chemical means

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

• Pure substance made of two or more kinds of atoms bound together

Tags

NGSS.MS-PS1-1

Mixture

• The smallest unit of an element that has all of the properties of that element and contains a nucleus within an electron cloud

• Pure substance made of two or more kinds of atoms bound together

• Made of a blend of elements and compounds; are not pure substances because they do not have consistent properties

• A single substance, either an element or compound, with definite composition and properties

Atom

• A pure substance that cannot be separated into simpler substances by physical or chemical means

• A single substance, either an element or compound, with definite composition and properties

• The smallest unit of an element that has all of the properties of that element and contains a nucleus within an electron cloud

• Made of a blend of elements and compounds; are not pure substances because they do not have consistent properties

Tags

NGSS.MS-PS1-1

Which of these is an example of a compound?

• H

• NaCl

• O

• Ne

Tags

NGSS.MS-PS1-1