Homework Help: chem

Posted by Katie on Thursday, May 17, 2007 at 9:41pm.

what occurs when an atom of clorine and an atom of hydrogen become a molecule of hydrogen chloride?
a a chemical bond is broken and energy is released
b a chemical bond is formed and energy is absorbed
c a chemical bond is formed and energry is released
d a chemical bond is broken and energy is absorbed

i think the answer is b

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