Dot and cross diagrams help us to model when ions are formed from atoms. Here’s an example using sodium and chlorine. They form ions which bond to form sodium chloride. 2. Work out how many electrons ...
Most group 1 (I), group 2 (II), aluminium and zinc salts are white. They produce colourless solutions when dissolved in water. Transition metal salts generally produce coloured solutions when ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results