The sequel to Theodore Gray's acclaimed chemistry iPad app The Elements leads you into the wonderful world of molecules. Michelle Starr is CNET's science editor, and she hopes to get you as enthralled ...
Everything we can see and touch, and quite a lot that we can’t as well, is made of tiny particles called atoms. Some substances, like particles of this iron, contain only one kind of atom. Iron is an ...
Elements and Compounds: Understanding elements and compounds is basic knowledge to study chemistry. Elements are the basic building blocks of matter, while compounds are substances formed when two or ...