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.
4. Abdullah bin Abdulaziz Al Saud, King of Saudi Arabia â $18 billion. Abdullah bin Abdulaziz Al Saud is the third richest monarch in the world. He became King of Saudi Arabia in 2005 after the death of his half brother King Fahd. As the Saudi King, he is also the Custodian of the Two Holy Mosques.