Final Exam Review Fall 2021*

The smallest unit of an element that retains the properties of that element is called a(n)

• Element

• Compound

• Atom

• Molecule

Tags

NGSS.HS-PS1-7

Solids, liquids, and gases are three phases of matter that

• Have mass

• Take up space

• Are made up of atoms

• All of the above

Tags

NGSS.MS-PS1-4

Which of the following is NOT a pure substance?

• Element

• Compound

• Mixture

• Molecule

Which of the following causes a chemical change?

• Moving

• Melting

• Burning

• Shattering

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Which of the following is an element?

• Steel

• Brass

• Bronze

• Iron

Which of the following is an example of a chemical change?

• Ice melting

• Paint fading

• Pounding gold into a coin

• A puddle evaporating

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Which of the following is an example of a compound?

• Titanium

• Dry Ice

• Radium

• Helium

Tags

NGSS.MS-PS1-1

What is atomic number?

• Number of protons in an atoms 
• Number of neutrons in an atom
• Mass of an atom
• Charge on an atom

Which subatomic particles are found in the nucleus of an atom?

• Protons and Electrons
• Protons and Neutrons
• Neutrons and Electrons
• Protons, Neutrons and Electrons

Tags

NGSS.HS-PS1-8

What electrical charge does a proton have?

• +1
• 0
• -1
• +2