Chapter 6/Chemical Bonding

What is a chemical bond?

• oppositely charged ions(cations and anions)

• attraction between nuclei and valence electrons

• sharing electrons

a bond that occurs between a metal and nonmetal

• covalent

• ionic

• nonpolar

• nonpolar-covalent

Which ones of the properties of an ionic bond?

• High melting point

• Oily

• Slippery

• Brittle

Polar bonds share--

• equally

• unequally

Nonpolar bonds share--

• Unequally

• equally

Covalent bonds

• sharing of electrons between two atoms

• between two nonmetals

• poor conductors of electricity

• Low melting points

If a bond has an electronegativity of 3.3, it is an

• ionic bond

• nonpolar-covalent bond

• polar-covalent

What type of bond is NaCl?

• polar-covalent

• nonpolar-covalent

• ionic

What type of bond is Cl₂?

• nonpolar-covalent

• polar-covalent

• ionic

What is a polyatomic ion?

• A charged particle

• a diatomic molecule

• ion composed of more than one atom