News

March 13, 2020/Bulletin

13 March 2020 Bulletin

Featured this week Arsenic Arsenic is a chemical element with the symbol As, an atomic mass of 74.921 595, and an atomic number of 33. It is in the pnictogens group of the periodic table and its element category is Metalloid. Arsenic has a metallic grey..

read more

December 10, 2019/Bulletin

13 December 2019 Bulletin

Featured this week Bromine Bromine is a chemical element with the symbol Br, an atomic number of 35, and an atomic mass of 79.904. It is in the halogen element group. [1] At ambient temperature bromine is a brownish-red liquid. It has a similarly coloured

read more

December 06, 2019/Bulletin

6 December 2019 Bulletin

Featured this week Selenium Selenium is a chemical element with symbol Se and atomic number 34.[1] It is an odourless metalloid (an element which has both metallic and non-metallic properties). It can be a grey (the 'metallic' and most stable...

read more

Keep up-to-date with Chemwatch