Chemistry Unit Review

What are the three types of particles in chemistry?

• Ions, Atoms, Molecules

• Protons, Neutrons, Electrons

• Water, Oxygen, Methane

• Cations, Anions, Nucleus

What are the three subatomic particles in chemistry?

• Ions, Atoms, Molecules

• Protons, Neutrons, Electrons

• Water, Oxygen, Methane

• Cations, Anions, Nucleus

What is the basic building block of matter?

• Protons

• Neutrons

• Electrons

• Atoms

What are charged particles that form when atoms gain or lose electrons called?

• Cations

• Atoms

• Ions

• Molecules

Tags

NGSS.MS-PS2-3

What are positive ions called?

• Protons

• Cations

• Neutrons

• Anions

What are negative ions called?

• Anions

• Neutrons

• Cations

• Protons

What is a molecule?

• A basic building block of matter

• A charged particle

• A group of atoms joined together by chemical bonds

• A type of ion

Tags

NGSS.MS-PS1-1

What is the chemical formula for water?

• H2O

• CO2

• O2

• H2O2

Tags

NGSS.MS-PS1-1

Can a molecule consist of two atoms of the same element?

• Yes

• No

• Sometimes

• Depends on the element

Tags

NGSS.MS-PS1-1

Which 3 things are always the same for a neutral atom?

• Electrons, protons, and neutrons

• Atomic number, protons, electrons

• Mass number, atomic number, protons

• Atomic number, neutrons, electrons