Homework Help: chemistry

Posted by mido on Monday, December 13, 2010 at 5:53pm.

Compare the three types of bonds based on valence electrons.

Explain why S-H bond lengths are longer than O-H bond lengths.

Which element has a greater bond energy, oxygen or nitrogen and why.

Determine if the following compounds are likely to have ionic or covalent bonds.
a) magnesium oxide b) strontium chloride
c) oxygen gas d) methane gas

Describe how it is possible for calcium hydroxide, Ca(OH)2 to have both ionic and covalent bonds.

Determine chemical formulas for the following ionic compounds:
a) magnesium sulfate b) rubidium bromide
c) chromium (II) fluoride d) nickel (I) carbonate

Name the following covalent compounds
a) As2O5 b) SiI4 c) P4S3 d) PCl3

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