A straight line can be drawn by joining two points plotted on a grid. The coordinates of the mid-point of the line and the length of the line can be calculated using the coordinate values. Before you ...
Balance the half equation for the formation of aluminium during electrolysis: Al 3+ + e-→ Al. The balanced half equation is: Al 3+ + 3e-→ Al (because three negatively charged electrons are needed to ...
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