ELEMENTS

=Elements are pure substances, when you have elements stuck together they are called compounds.= =People in Ancient Greece believed that everything was made from four elements: Earth, Fire, Air and= =Water.= =Elements have only one form of Atom like: Hydrogen, Oxygen, Carbon and Magnesium.= =The Periodic Table shows us all of the Elements and that is very usefull to anyone from Scientists to= =Teachers and Students, but not all Elements are natural like Uranium and Oxygen, but they can take= =Uranium ores and turn them into different elements known as Plutonium, which is very unstable and= =man-made.= =There are 112 elements that we know of today in the Universe.=

=Here is a structure of an Element which is called Oxygen.= =and another structure of an Element called Hydrogen.=