Chemical formula tells us the number of atoms of each element in a compound. It contains the symbols of the atoms of the elements present in the compound as well as how many there are for each element in the form of subscripts.
Answer:
I go to my grandmas every year, for Christmas dinner.
Explanation:
You are taking the sentence " I go to my grandmas every year" and you are giving it an explanation using " for".
A summary is a breif explanation/sum up of what you have talked about or what ever the topic was. It is used to wrap up everything you have explained. It is better to use summary's so that we can say the main idea in less words and so people can read it quicker and get the idea of that topic.
