Chemistry

1. Why does the distance between two nuclei in a covalent bond vary?

2. How does a molecular orbital differ from an atomic orbital?

  1. 2
asked by Kate
  1. For #2, check this site.
    http://en.wikipedia.org/wiki/Orbital_hybridisation

    The bond distance between two atoms varies for at least two reasons:
    a. The size of the two atoms.
    b. The number of electrons shared.

    posted by DrBob222

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