an element contains just one type of atom a compound contains two or more types of atom joined together a mixture contains two or more different substances that are not joined together the ...

The PhD in Chemistry is awarded in any of six main types of chemistry: analytical, inorganic, organic, physical, educational or polymer chemistry. The degree recipient must demonstrate scholastic ...

Often called the “central science,” chemistry is of vital importance to the life sciences, medicine, engineering, astronomy and many science-related fields requiring problem-solving skills. Thus, ...

The periodic table arranges all chemical elements in special ways. Different types of chemical bonding, and patterns and trends can be observed in their arrangement. Structure and bonding Elements ...