Question

you can use this periodic table during the quiz. however, as stated in the course outline, and in the orientation session, this quiz is not open book. you cannot access course material while you write the quiz. nor can you google your answers, work as a group, use a cheat sheet, etc. question 1 (1 point) which of the following compounds demonstrates an exception to the octet rule? sf6 c2h6 h2o kcl question 2 (1 point) which of the following has the lowest number of unshared electrons around the central atom?

Explanation:

The octet rule states that atoms tend to gain, lose, or share electrons to have eight electrons in their outer - shell. In $SF_6$, sulfur has 12 electrons around it as it forms six bonds with fluorine atoms, which is an exception to the octet rule. $C_2H_6$, $H_2O$, and $KCl$ follow the octet rule.

Answer:

A. $SF_6$