What IMF forces are present in everything?
Dispersion Forces
What solids have Ionic Bonds? What are these made out of?
Ionic Solids; Metal + Nonmetal
Which of the following has the lowest boiling point?
A)He
B)Ne
C)Ar
D)Kr
E)Xe
A) He
What's stronger Network Covalent Solids or Molecular?
What are their bonds?
Examples of both?
Network; Covalent bonds
Network: Diamond, graphite, Si
Molecular: Nonmetal w/nonmetal
List the substances CCl4, CBr4, and CH4 in order of increasing boiling point.
Ch4<CCl4<CBr4
What's the difference between them?
Substitutional alloy
Interstitial alloy
Intermetallic compound
Substitutional alloy: two metallic elements of similar size form
Interstitial alloy: atoms small enough to fit between
Intermetallic compound: 2 or more metals
Arrange the three compounds sodium chloride, magnesium chloride, and aluminum chloride in order of increasing melting point.
a. NaCl < MgCl2 < AlCl3
Fe 0.60 / Ni 0.40 = ?
Fe 0.97 / Si 0.03 = ?
Substitutional alloy
Interstitial alloy