U5L4 - Lecture Notes - Metallic Bonds and Properties of Metals

Multiple Choice

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

Multiple Choice

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

• True

• False

Multiple Select

Which properties do metals and ionic compounds share?

Multiple select question.

• They conduct electricity in the solid state.

• They involve bonds between cations and anions.

• They involve bonding that is based on the attraction of unlike charges.

• They form lattice structures in the solid state.

Multiple Choice

Compared with the properties of iron, its main component, the properties of steel ______.

• are mostly similar, with some differences, such as added strength

• are exactly the same, with the exception of appearance

• are completely different, with the exception of chemical properties

  
  

Multiple Select

The two basic types of alloys are ____________ alloys and ____________ alloys.

• interstitial

• substitutional

• transitional

• superstition

Match

Match each alloy with its description.

• alnico

• bronze

• stainless steel

• brass

• pewter

iron, aluminum, nickel, cobalt; magnets

copper, zinc, tin; bearings, bells

iron, chromium, nickel; instruments,sink

copper and zinc;

plumbing, lighting

tin, antimony, and lead;

tableware

• iron, aluminum, nickel, cobalt; magnets

• copper, zinc, tin; bearings, bells

• iron, chromium, nickel; instruments,sink

• copper and zinc;

  plumbing, lighting

• tin, antimony, and lead;

  tableware