Find out which metal combination gives out the most voltage in a solution.

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Which metals give out the most voltage

Aim

To find out which metal combination gives out the most voltage in a solution.

Background

Metals are an order of chemical elements in the periodic table. They are arranged in atomic number. All of them are solid (apart from mercury), good thermal and electrical conductors and are shiny when polished. Metals and non - metals are separated in the table by a diagonal line.

The reactivity series is a table to show which metals are most reactive to the least reactive. Potassium is known as the most reactive and platinum the least.

                                         Most reactive

                                              Potassium

                                              Sodium

                                              Lithium

                                              Calcium

                                              Magnesium

                                              Aluminium        

                                              Zinc

                                              Iron      

                                              Tin

        Lead

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        Copper

        Silver

        Gold

        Potassium

                               Least reactive

Electrical flow through metals work like this: the current in the metal is carried by electrons and will only flow if there charges which can move freely. Metals contain a sea of electrons (which are negatively charged) and which flow throughout the metal. This is what allows electric current to flow so well in all metals.

An electrode is a component of an electric circuit that connects the wiring of the circuit to a gas or electrolyte. A compound ...

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