Elements and Compounds. 1  Element-An element is a substance composed of the same type of atoms (e.g. gold Au, oxygen O 2). 2  Compound-A compound is a substance made of more than one type of atom (e.g. water H 2 O, carbon dioxide CO 2).
British lawmakers debate banning Donald Trump from UK for 'hate speech'. Updated 8:02 PM ET, Mon January 18, 2016. Chat with us in Facebook Messenger. Find out what's happening in the world as it unfolds.
Barack Obama suggests Scotland should stay in UK. President says decision on Scottish independence is up to voters, but US has deep interest in ensuring UK remains united.arack Obama suggests Scotland should stay in UK. President says decision on Scottish independence is up to voters, but US has deep interest in ensuring UK remains united.