That is not possible because if A is the father of B then there is no way A cant be the father of A
The correct answer is Pleased. This is because pleasure causes someone to be jubilant. Even if you don't know what jubilant means, you can guess it by knowing what "pleased" means.
Answer:
It provides the physical and chemical behaviors of each element in their group
Explanation:
By organizing elements according to their patterns or trends as contained in the Period table of elements, a chemist is able to determine the different chemical and physical properties of each element.
With an understanding of these patterns and trends also, chemists are able to determine the possible benefits of each element in the working nature of different drugs administered to a patient.
It also enables them to conduct quality experiment during research in the laboratory.