Wednesday, 2 May 2018

9DV → Science

An element has only one type of atom

A compound is when 2 or more elements are chemically combined

Mg+ O2 MgO
Magnesium +Oxygen = Magnesium Oxide

Today we had burned magnesium with oxygen. It started as a silver solid and a clear gas, but when we had mixed them and burn them it turned into a white solid powder. Once we had finished we had known before that we would no be able to change it back to a silver solid like it was originally

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