Chemistry (Half Term One)
- Created by: CamMA
- Created on: 06-11-17 18:51
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- Chemistry (Half Term One)
- Group One - The Alkali Metals
- They all have one valence electron
- Group One atoms want to loose their one valence electron
- They can all be cut with a knife
- They all react with the air
- They turn blue in Universal Indicator as they are all alkalis
- Overall Equation
- Metal + Water -> Metal Hydroxide +Hydrogen
- Group Seven - The Halogens
- They all have seven valence electrons
- They are diatonic
- Diatonic means that they exist as molecules, each with a pair of atoms
- They have low melting and boiling points
- Transition Metals
- They are manuble
- They conduct heat
- They conduct electricity
- They are sonorous
- They can be used as a catalyst
- Transition Metals are found at the centre of the periodic table
- Types Of Bonding
- Metallic Bonding - Metals Only
- They have a high melting point
- They are conductive
- They are hard materials
- They are shiny
- Covalent Bonding - Non-Metals Only
- They are not conductive
- They have low melting points
- They are mainly soft
- Ionic Bonding - Metal and Non-Metals
- They have a high melting point
- They are not conductive
- They are hard solids
- Metallic Bonding - Metals Only
- Group One - The Alkali Metals
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