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.
In addition, it was decided to use the title of (King of the Kingdom of Saudi Arabia) instead of (King of Al-Hijaz, Najd & Dependencies). Nevertheless, the first Saudi currency bearing the new name of the country appeared in1354H. (1935G.), when the Silver Riyal, the Half Riyal and the Quarter Riyal, were put in circulation. In comparison with the older Riyal, the new one was distinguished by its smaller size and lighter weight of (11.65) gm., ie; half of the weight of older Riyal.