Quiz on Octet Rule and Chemical Bonding

What is an octet in terms of valence electrons?

• 6 electrons

• 8 electrons

• 10 electrons

• 12 electrons

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

What do atoms do to form chemical bonds?

• Share or transfer protons

• Share or transfer electrons

• Share or transfer neutrons

• Share or transfer nuclei

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

What does the term "valence electrons" refer to?

• Electrons in the innermost shell

• Electrons in the outermost shell

• Electrons in the nucleus

• Electrons in the middle shell

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

What does an atom need to do to follow the octet rule?

• Gain or lose protons

• Share or transfer electrons

• Change its mass

• Alter its color

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

What is the charge of an ion that has lost electrons?

• Positive

• Negative

• Neutral

• No charge

What is the charge of an atom with 9 protons and 9 electrons?

• +1

• -1

• 0

• +2

What happens to sodium (Na) when it becomes a cation?

• Gains an electron

• Loses an electron

• Gains two electrons

• Loses two electrons

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

What is the meaning of "atomic" in the context of polyatomic ions?

• Molecules

• Particles

• Atoms

• Elements

What is an ion?

• A neutral particle

• A charged particle

• A stable atom

• A molecule

What type of bond is present in an O₂ molecule?

• Single bond

• Double bond

• Triple bond

• Ionic bond