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Laabri

S2 Quiz 4

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Last updated 5 months ago
6 Nsɛmmisa
28
12
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2.

Based on whether each molecule is Ionic, Polar Covalent, or Nonpolar Covalent, put it in order from highest melting point to lowest melting Point. The Formula Weights or Molecular weights are given to the right in g/mol.

  1. Beryllium Oxide (25)

  2. Carbon Monoxide (28)

  3. Nitrogen Gas (28)

12
35
35
30
Asemmisa {{asɛmmisaAhyɛnsode}}
1.

Categorize each of the following compounds, considering their molecular geometry and the difference between their electronegativities. (Ionic bonds form when the difference is greater than 1.7-2.1, depending on the pair of elements, polar bonds form when the difference is 0.4 unless the geometry cancels out the partial charges.

  • Nitrogen Trihydride (Trigonal Pyramidal)

  • Dihydrogen Oxide (Bent)

  • Carbon Dioxide (Linear)

  • Hydrogen Chloride (Linear)

  • Magnesium Fluoride (Crystalline)

  • Carbon Tetrachloride (Tetrahedral)

  • Sulfur Trioxide (Trigonal Planar)

  • Ionic (Highest Melting Point)

  • Polar Covalent

  • Nonpolar Covalent (Lowest Melting Point)

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3.

Based on whether each molecule is Ionic, Polar Covalent, or Nonpolar Covalent, match it with its melting point. The Formula Weights or Molecular weights are given to the right in g/mol. There is one of each type of compound.

Draggable itemarrow_right_altCorresponding Item

Magnesium Oxide (40.3)

arrow_right_alt

109 K

Oxygen Gas (32)

arrow_right_alt

3123 K

Nitrogen Monoxide (30)

arrow_right_alt

54 K

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4.

Match each compound with the statement that is true of it. Note that the geometry described is molecular geometry, not electron geometry.


  • Borane

  • Methane

  • Ammonia

  • Water

  • Methanal

  • Ethyne

  • Ethene

  • Has three bonding domains around central atom or atoms

  • Has two Pi Bonds

  • Has tetrahedral Electron Geometry

Asemmisa {{asɛmmisaAhyɛnsode}}
5.

Match each compound with the statement that is true of it. Note that the geometry described is molecular geometry, not electron geometry.


  • Borane

  • Methane

  • Ammonia

  • Water

  • Methanal

  • Ethyne

  • Ethene

  • Has sp2 hybridization around central atom or atoms.

  • Has sp3 hybridization around central atom or atoms

  • Has sp hybridization around central atom or atoms

Asemmisa {{asɛmmisaAhyɛnsode}}
6.

Match each compound with the statement that is true of it. Note that the geometry described is molecular geometry, not electron geometry.


  • Borane

  • Methane

  • Ammonia

  • Water

  • Methanal

  • Ethyne

  • Has two lone pairs on central atom

  • Has three sigma bonds

  • Has four sigma bonds