User contributions for 170133823
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27 October 2018
- 15:3815:38, 27 October 2018 diff hist +1,064 N Group 1 metals Created page with "Group 1 metals as known as Alkali Metals. The group contains the elements Hydrogen, Lithium, Sodium, Potassium, Rubidium, Cesium and Francium. They all contain one electron on th..."
5 December 2017
- 22:4422:44, 5 December 2017 diff hist +3,252 N Epithelital cells Created page with "Epithelial cells are that line the surfaces of parts of the body <sup>(1)</sup>. They are joined together in layers with one side exposed and the other is attached..."