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which of the following pairs of atoms are most likely to form covalent bonds?

Honey L asked:

which of the following pairs of atoms are most likely to form covalent bonds?
A. oxygen and nitrogen
B. oxygen and magnesium
C. oxygen and krypton

This entry was posted on Monday, March 31st, 2008 at 3:18 pm and is filed under Bonds. You can follow any responses to this entry through the RSS 2.0 feed. You can leave a response, or trackback from your own site.

2 Responses to “which of the following pairs of atoms are most likely to form covalent bonds?”

  1. Common Sense Much? on March 31st, 2008 at 8:34 pm

    A. oxygen and nitrogen. This is because both are gases, (which is where covalent bonds happen), and neither have 8 valance electrons.

    Oxygen (gas) and magnesium (a metal) would form an ionic bond. Oxygen and krypton are both gases, but since krypton is a noble gas, it has 8 valence electrons and is already stable, so wouldn’t need to bond with oxygen.

  2. A. Two nonmetals; two elements of similar, high electronegativity (3.5 vs. 3.0).

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