4
suzanna notices that when she rolls a marble on the carpet, the marble slows down and stops. what
force causes the marble to change its motion? how does this force act?

Use this information to determine the number of calends electrons in the atoms. which of the following correctly compares the stability of the two atoms? a) both are unreactive b) both are highly reactive c) a is unreactive and d is reactive d) a is reactive and d is unreactive