Ionic, Covalent, Metallic Bonds, Network Solids

The transfer of electrons from calcium atoms to chlorine atoms results in the formation of

• coordinate covalent bonds

• polar covalent bonds

• nonpolar covalent bonds

• ionic bonds

A certain solid, when it is in the liquid state, will conduct electricity. In the solid state it will also conduct electricity. This solid must contain

• coordinate covalent bonds

• covalent bonds

• ionic bonds

• metallic bonds

Tags

NGSS.HS-PS1-3

What type of bond exists in a molecule of I₂?

• coordinate covalent bonds

• polar covalent bonds

• nonpolar covalent bonds

• ionic bonds

The atoms in a molecule of HCl are held together by

• dipole-dipole attraction

• polar covalent bonds

• nonpolar covalent bonds

• ionic bonds

Tags

NGSS.HS-PS1-1

What type of bond would be formed when a hydrogen ion (H⁺) reacts with an ammonia molecule (NH₃) ?

• coordinate covalent bond

• metallic bond

• nonpolar covalent bond

• ionic bond

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

NGSS.HS-PS1-3

Which type of bonding involves positive ions surrounded by a sea of mobile electrons?

• metallic bonds

• polar covalent bonds

• nonpolar covalent bonds

• ionic bonds

A solid substance is soft, has a low melting point, and is a poor conductor of electricity. The substance is most likely a(n)

• molecular solid

• network solid

• metallic solid

• ionic solid

Tags

NGSS.HS-PS1-3

A compound formed from potassium and bromine will have

• a molecular crystal structure

• a high melting point

• good heat conductivity in the solid state

• poor electrical conductivity in solution

Which compound contains ionic bonds?

• NaH

• CH₄

• H₂O

• C₆H₁₂O₆

Tags

NGSS.HS-PS1-3

Which compound has the lowest melting point?

• HCl

• LiCL

• NaCl

• KCl