Recent content by Alan F

  1. A

    How many protons does a negatively charged Magnesium ion have?

    C ) Magnesium does not form negative ions normally. It may in discharge tubes but they will be very transient. However the number of protons is fixed at 12, if you change this number then you have changed the element. If it was 11 then it would be sodium, and 13 would be aluminium. The number of...
  2. A

    Examples of scientific discoveries made by trial and error?

    Faraday and his work on electrolysis, and electricity generation, and storage. Newton and gravity.and light
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