Structure 2.3 The Metallic Model

Which is the model that proposes that all the metal atoms in a metallic solid contribute their valence electrons to form a "sea" of electrons that surrounds the metal cations in the lattice?

• the electron sea model

• the metal lattice model

• the cation sea model

True or False: Metals are not ionic but share several properties with ionic compounds

• True

• False

What type of bond is present when electrons are freely shared between metal atoms?

• Metallic
• Ionic
• Covalent
• Hippie

Having the ability to be drawn into a wire describes which property?

• Malleable
• Ductile
• Brittle
• Nonconductor

What does malleable mean?

• able to bend
• will break easily
• can be used for wire
• is shiny

What property describes the ability to reflect light brightly (shine)?

• luster
• malleable
• ductile
• brittle

Which property means that a substance breaks easily in its solid state?

• Malleable
• Ductile
• Brittle
• Conductor

Zinc metal contains metallic bonding. Which is the best description of a metallic bond?

• The electrostatic attraction between a pair of electrons and positively charged nuclei.

• The electrostatic attraction between oppositely charged ions.

• The electrostatic attraction between a lattice of positive ions and delocalize electrons.

• The bond formed when one atom provides both electrons in a shared pair.

Which metal has the strongest metallic bonding?

• Na

• Mg

• Al

• Ca

Which of the following is most likely to be a transition metal?

• A

• B

• C

• D

Tags

NGSS.HS-PS1-1