beryllium

= ** B e r y ll i u m       ** =

 By **:Emma :D  ** Atomic Number: ** 4 ** Protons: 4 ** ** Electrons: ** 4 ** Average Atomic Mass: ** 9.012
 * Neutrons: ** 5

** Isotopes: ** Be-6, Be-7, Be-8, Be-9, Be-10, Be-11, Be-12, and Be-13. ** Discovery: ** Vauqelin discovered this element in France, 1797. ** Name: ** This element came from beryllos meaning beryl. ** Uses: ** It is used in x-ray windows, missles, spacecraft, communication satellites, and ceramics. ** Interesting Facts ** : Beryllium is extremely poisonous and when on earth it will always be combined with other elements. ** Video: ** media type="youtube" key="qy8JyQShZRA" height="344" width="425" **Sources http://www.webelements.com/beryllium/isotopes.html http://www.webelements.com/beryllium/history.html http://www.webelements.com/beryllium/uses.html http://www.webelements.com/beryllium/ **http://www.missilenews.com/moxiepix/t726.gif http://www.youtube.com/watch?v=qy8JyQShZRA&feature=player_embedded