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Metal reactivity - Coggle Diagram

- - - - How much solvent should be placed in each test tube
- - - - The water should completely cover each metal, so that if a reaction occurs, is it easier to observe.
      - The same amount of water should be placed in each test tube, as this is a controlled variable.
    - - While this might be the case, it is not a reliable method to differentiate which metals are more reactive than others, within the set of metals that mad a 'pop' noise. This is because the loudness of the 'pop' is affected by many different factors, not only the reactiveness of the metal. Additionally, unless a decibel is used, the loudness of the 'pop' cannot be accurately measured, rather it would be subject to opinion.
        
        The loudness of the 'pop' is affected by:
        
        The volume of solute
        
        The reactiveness of the metal
        
        The volume of solvent
        
        The amount of time between the metal and water being combined, and the match being lit
        
        The amount of hydrogen leaked out
        
        How long it takes for each metal to react with water
        
        Whether or not all of the hydrogen produced will ignite