Exploring Ionic Bonds with Hank Green

What is the primary difference between an ionic bond and a covalent bond?

• Covalent bonds do not involve electrons.

• Covalent bonds involve the complete transfer of electrons.

• Ionic bonds involve the complete transfer of electrons.

• Ionic bonds involve sharing electrons.

Tags

NGSS.HS-PS1-3

What happens to an atom when it gains or loses an electron?

• It becomes a proton.

• It becomes neutral.

• It becomes a molecule.

• It becomes an ion.

What is the most common ionic compound in our daily lives?

• Sodium chloride (NaCl)

• Oxygen (O2)

• Water (H2O)

• Carbon dioxide (CO2)

Which element is a halogen that needs one electron to fulfill its octet?

• Oxygen

• Chlorine

• Hydrogen

• Sodium

What type of metal is sodium classified as?

• Halogen

• Transition metal

• Noble gas

• Alkaline metal

Why are sodium and chlorine highly reactive?

• They are close to fulfilling their octets.

• They have full octets.

• They have no electrons.

• They are noble gases.

What happens when sodium and chlorine come together?

• They form a metallic bond.

• They form a covalent bond.

• They transfer electrons and form an ionic bond.

• They do not react.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

What charge does sodium have after losing an electron?

• No charge

• Positive

• Neutral

• Negative

What charge does chlorine have after gaining an electron?

• Positive

• No charge

• Negative

• Neutral

What term is used to describe the attraction between Na+ and Cl- ions?

• Metallic bond

• Covalent bond

• Ionic bond

• Hydrogen bond

Tags

NGSS.HS-PS1-3