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.
Saudi Arabia forms Muslim 'anti-terrorism' coalition. Alliance includes 34 mainly Muslim states but excludes regional rival Iran as well as Iraq and Syria. Saudi Arabia has formed a coalition of 34 mainly Muslim countries - including powers such as Egypt and Turkey - to coordinate a fight against terrorist organisations. The alliance was announced by Mohammed bin Salman, the country's defence minister and deputy crown prince, on Tuesday.