11522060
Descripción
Mapa Mental por Irene Binil, actualizado hace más de 1 año
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Creado por Irene Binil
hace casi 7 años
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Physical Properties
of Group 2 Elements
- Electron Arrangments
- Highest 2 electrons in 's' subshell
- Down the group, highest
energy electrons are held
further out from nucleus
- Forms +2 ions
- Highest 2 electrons in 's' subshell
- Atomic Radius
- Increase in size going down the group
- Increase in size going down the group
- Melting Point
- Group 2 elements are all metals
so they have high melting
points
- Magnesium is an anomaly, lowest melting point
of Group2
- Group 2 elements are all metals
so they have high melting
points
- Ionisation Energies
- Group II elements forms
+2 ions in all reactions
- Both 1st and 2nd ionisation
energies decrease down the
group
- Group II elements forms
+2 ions in all reactions
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