The process of using electricity to decompose water into oxygen and hydrogen gas.
Combinations of different metals form alloys. An alloy composed by mercury and other metal (or metals) forms amalgam. When a true alloy is formed, the component metals are mixed together at a temperature which is greater than the melting point of all of them.Apr 7, 2017
Physical Change because a new substance was not created and if it was a chemical change, a new substance would have to be created.
When looking down the groups the elements have an equal number of electrons in the outer shell. This means they react in a similar way making it easier for scientists to use.
Very low gives free energy
