A certain form of lead has a cubic closest packed structure with an edge length of 492 pm. Calculate the value of the atomic radius and the density of lead.
Answer to relevant QuestionsNickel has a face-centered cubic unit cell. The density of nickel is 6.84 g/ cm3. Calculate a value for the atomic radius of nickel. The radius of tungsten is 137 pm and the density is 19.3 g/cm3. Does elemental tungsten have a face-centered cubic structure or a body-centered cubic structure? The band gap in aluminum phosphide (AlP) is 2.5 electron-volts (1 eV = 1.6 × 10–19 J). What wavelength of light is emitted by an AlP diode? The compounds Na2O, CdS, and ZrI4 all can be described as cubic closest packed anions with the cations in tetrahedral holes. What fraction of the tetrahedral holes is occupied for each case? Predict which substance in each of the following pairs would have the greater intermolecular forces. a. CO2 or OCS b. SeO2 or SO2 c. CH3CH2CH2NH2 or H2NCH2CH2NH2 d. CH3CH3 or H2CO e. CH3OH or H2CO
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