Confidence votes 25. The groups in the periodic table tell you what each element within them will react with, the number of valance electrons the element has, and what family it is in. (Ex/ everything in group twelve will react with something that will let it lose two electrons.
Abdullah, Salman and Muqrin are all sons of the founder of modern Saudi Arabia, King Abdulaziz, usually referred to as Ibn Saud, who died in 1953. King Salman called on the royal family's Allegiance Council to recognise Muqrin as his heir.
The head of the House of Saud is the King of Saudi Arabia who serves as Head of State and monarch of the Kingdom of Saudi Arabia. The King holds almost absolute political power. The King appoints ministers to his cabinet who supervise their respective ministries in his name.