Mapa mental
Periodic table
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Periodic table
arranged in order of atomic (proton) number
similar elements are in the same column, known as groups
- These elements have the same number of electrons
- similar chemical properties
- These elements have the same number of electrons
elements in group 0- noble gases
- unreactive because their atoms have stable arrangements of electrons- full outer shell
- except helium- only has two electrons on its outer shell
- unreactive because their atoms have stable arrangements of electrons- full outer shell
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- Mapa Mental sobre Periodic table, creado por James Kearon el 01/04/2015.
- Creado por
- James Kearon
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