18 electrons allowed in the 3rd energy level
Answer:
Sorry I'm not sure about this one. It might be The first one or the third one
Answer:
ok something I would do is look at a video to know how to do it and than write it down on a piece of paper and than you get your answer just try not to think a lot about it just relax and find a question drink a water or a soda to help you relax as you search your answer also I'm really sorry I do not know the answer also this really works hope this comment was helpful god bless that you will find your answer
Explanation:
Answer:
B
Explanation:
The four factors that increase the rate of the reaction:
1.Concentration of the reactants
2.Size of the particles
3.Temperature
4.Catalyst
The answer is <span>D.when the aim is to show electron distributions in shells. This is because there are some instances when elements don't possess a regular or normal electron configuration. There are those who have special electron configurations wherein a lower subshell isn't completely filled before occupying a higher subshell. It is best to visualize such cases using the orbital notation.</span>
