| 31 Results |
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| Polar Covalent Bonds (Other (1)) |
| A section of ChemPrime, the Chemical Educations Digital Library's free General Chemistry textbook. |
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| Sigma and Pi Bonds (Other (1)) |
| A section of ChemPrime, the Chemical Educations Digital Library's free General Chemistry textbook. |
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| The Covalent Bond (Other (1)) |
| A section of ChemPrime, the Chemical Educations Digital Library's free General Chemistry textbook. |
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| Hardness of Solid Substances - Grinding (Movie/Animation, Audio/Visual (9)) |
| A number of metals and nonmetals are ground with a mortar and pestle. The nonmetals shown here are all soft (due to weak intermolecular forces), but the metals vary in hardness. |
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| Bonding : OrganicBondLength (10 Variations) (Assessment Material (1)) |
1-amino-2-naphthol-6-sulfonic acid is used as a photographic developer. The structure for this compound is shown below, although lone electron pairs are not shown. Which of the following bonds in the structure is the shortest?
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| Bonding : MostPolarBond (8 Variations) (Assessment Material (1)) |
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From the bonds listed below, choose the one that is the most polar. (Try to predict electronegativity differences based on positions of the bonded atoms in the periodic table.) |
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| Bonding : Electronegativity (8 Variations) (Assessment Material (1)) |
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From the bonds listed below, choose the one in which the highlighted atom is the partially positive end of the bond. (Try to predict electronegativity differences based on positions of the bonded atoms in the periodic table.) |
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| Bonding : ImpossibleStructure (10 Variations) (Assessment Material (1)) |
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Which of the following formulas represent substances that are likely to be stable at ordinary temperature and pressure? A good way to decide is to ask for which of the formulas is it possible to draw a reasonable Lewis structure (one that obeys the usual rules for drawing Lewis structures)? |
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| Molecular_Structure : MatchOrganicAngles (10 Variations) (Assessment Material (1)) |
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1-amino-2-naphthol-6-sulfonic acid is used as a photographic developer. Its structure is shown below, although lone electron pairs are not shown.
Match the designated bond angles to the appropriate values. |
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| Bonding : MatchBondStrength (8 Variations) (Assessment Material (1)) |
Match each of the following molecules to the best energy value for each bond. Do not use the table of bond energies in your book, but predict these values using your knowledge of bond length and bond strength.
Possible energies are: 300 kJ/mol, 330 kJ/mol, 415 kJ/mol and 950 kJ/mol. |
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