Mixtures Review

Unlike an element, a(n) ________ may be separated through a physical process like filtration.

• mixture
• compound
• atom
• molecule

Mixtures that have the same composition throughout are ________.

• heterogenous
• homogenous
• pure substances
• elements

To form brass, copper and zinc combine but do not chemically bond. Brass is a(n)________.

• atom
• element
• compound
• mixture

Sulfur dioxide is a smelly, toxic gas. It is made of the elements sulfur and oxygen and cannot be physically separated. Sulfur dioxide is represented by the chemical formula SO . Sulfur dioxide is a(n) ________.

• element
• compound
• heterogeneous mixture
• solution

Tags

NGSS.MS-PS1-1

Lemonade contains lemon juice and sugar dissolved in water. What is the solvent in lemonade?

• water
• lemon juice
• sugar
• There is no solvent in lemonade

What are the basic building blocks for all matter?

• atoms

• protons

• compounds

• chemicals

Tags

NGSS.MS-PS1-1

What do we call a substance consisting of a single atom?

• coefficient
• element
• compound
• molecule

What do we call a chemical substance made up of 2 or more different types atoms bonded together?

• formula
• atom
• subscript
• compound

Tags

NGSS.MS-PS1-1

All ____________ are made up of two or more atoms bonded together.

• atoms
• molecules
• electrons
• elements

Tags

NGSS.MS-PS1-1

H₂O

How many H₂O molecules are present?

• 1

• 4

• 2

• 8