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.
So this time, the target was the business community. There's one arrest that doesn't fit the pattern, and that's the head of Saudi Arabia's national guard. And so what it means now is that this crown prince is in charge of all of Saudi Arabia's security departments. MCEVERS: So could this also be interpreted as he's getting rid of some of his enemies?