Compounds And Reactions
* When water and methylated spirits are mixed together the molecules of each of the two liquids fit together more compactly than on their own. One example of this would be tessellation. Some shapes aren't able two tessellate on their own but with another shape they are able to.
* A molecule is made up of many atoms. And an atom is the smallest known particle there is other than electrons and protons.
* There are 3 different type …
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…number of protons
* Electronic configuration is the amount of electrons in each shell e.g. 2,8,4the period number or row number shows the number of electrons in the outer shell
* The group number or column represents how many shells each has
* A cat ion is positive after gaining an electron
* An anion is negative after losing an electron
* Atoms that have their outer shells full tend to be less reactive than ones with extra electrons
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