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As the question is 2 marks, show working to ensure you get a mark even if answer is slightly wrongFrom periodic table you can see that the relative atomic masses are oxygen = 16; aluminium = 27; sulfur = ...
The reactivity of group 1 metals increases as you go down the group. This is due the number of electron shells increasing, leading to the distance between the outermost electron and the nucleus. The incre...
Alkyl groups increase basicity because: 1) They push electron density onto the nitrogen atom, which makes the nitrogen lone pair more attractive to hydrogen ions. 2) They stabilise the positive charge on ...
SiO2 forms a giant covalent structure while CO2 has a simple molecular structure.In the giant covalent structure of SiO2, strong covalent bonds hold the atoms together in...
Covalent bond (sharing a pair of elections between two non metal atoms)O = C = O
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