Chemistry is a category of physical science that deals with the structure, composition, and various properties of matter. Some topics which chemistry aims to cover include the formation of chemical bonds, properties of atoms, and the intermolecular forces responsible for giving matter its unique properties.

Saudi Arabia, officially known as the Kingdom of Saudi Arabia, is the largest Arab state in Western Asia by land area and the second-largest in the Arab world. Saudi Arabia is served by the national airline Saudi Arabian Airlines, often referred to by its Arabic name Saudia.

The PhD is a doctoral degree, specifically called a "doctor of philosophy" degree. This is misleading because PhD holders are not necessarily philosophers (unless they earned their degree in philosophy!). That said, PhD recipients are able to engage in thought experiments, reason about problems, and solve problems in sophisticated ways.

Full time studies are studies that require a student to attend classes on a daily basis, usually for at least four hours a day. The main benefit of full time studies is that it allows students to complete their studies in a shorter period of time. This can be beneficial for those who are looking to graduate more quickly or enter the workforce sooner.