Question

a. The “octet rule” in chemistry helps predict the types of bonds that atoms will form. In general, an atom will be most stable if it fills its outer shell of 8 electrons. Atoms with fewer than 4 valence electrons tend to donate electrons and those with more than 4 valence electrons tend to accept additional electrons; those with exactly 4 can do both. Using this rule, determine what category each of the following elements falls into: N, S, C, P, O, H, Ca, Fe, and Mg. (You will need to work out the valence of the atoms.)
b. Make simple drawings to show how atoms such as N and Cl form diatomic molecules.
c. What type of chemical reaction is occurring between Na and Cl2?


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  • CreatedJune 19, 2015
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