6991524
Descripción
Mapa Mental por Aimee Russell, actualizado hace más de 1 año
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Creado por Aimee Russell
hace casi 8 años
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Chemisty Revision
- Periodic table
- Elements
- Electons
- mass;very small (0.0005)
- Charge;negative
- location;outer shells
- mass;very small (0.0005)
- Neutron
- Location;inside the nucleus
- Charge;neutral
- Mass; 1
- Location;inside the nucleus
- Protons
- Mass; 1
- Charge;positive
- Location;inside the nucleus
- Mass; 1
- Electons
- Ordered in atomic mass
- Columns going across; groups
- Rows going across;periods
- Group 0;noble gases
- Elements
- Isotops
- Atoms with the same number of protons but different number of neutrons
- Atoms with the same number of protons but different number of neutrons
- Maxium number of electrons in each shell;
- 2,8,8,12
- 2,8,8,12
- Colvent compounds
- Covenlent bonds
- Bonds ocurring between non-metals
- Electrons shared between atoms
- Bonds ocurring between non-metals
- Three different types;
- simple molecules(very small)
- very low boiling point.
- Intermolecluar forces are weak (force between molecules)
- Chlorine has a low boiling point as it contains simple covent molecules
- Nitrogen has a low boiling point as it contains simple colvent molecules
- very low boiling point.
- Giant covelent (giant cluster structures)
- Polymers(long, straight lines)
- long chains of covalently bound molecules.
- Along chains are many weak intermolealur forces
- Along chains are many weak intermolealur forces
- long chains of covalently bound molecules.
- simple molecules(very small)
- Covalent;sharing metals= always lose electrons.
- Covenlent bonds
- diamond
- Structure;each carbon atoms is bonded to other of their own
- Melting points;high melting points because of large repeating structures
- Electrical conductivity;Doesn't conduct as all carbon electrons are bonded
- Structure;each carbon atoms is bonded to other of their own
- Graphite
- Structure;each carbon in every layer is bonded to three others.
- Between the layers are very weak forces meaning they can slide
- Used in pemcils
- Used in pemcils
- Between the layers are very weak forces meaning they can slide
- Melting points;high melting points because of large repeating structures
- Electrical conductivity;from free delocalised electron it can conduct
- Structure;each carbon in every layer is bonded to three others.
- Delocalised=negative
- Fullerene
- Structure;carbon bonded with three other carbons.
- hollow, cage like structure.
- hollow, cage like structure.
- Properties;
- Used in nanotubes
- can be used for drug delivery
- Used in nanotubes
- Structure;carbon bonded with three other carbons.
- Graphene
- Structure;one graphite layer
- Structure;one graphite layer
- Ion;metal=non-metal=electrostatic
- Ionic bonds
- Formed by the transfer of electrons to form ions. These are attracted to each other by electronic forces.
- Ionic structures
- Giant repeating lattices
- With strong electostatic forces in all directions
- Meaning high melting&Boiling points
- Meaning high melting&Boiling points
- Lattices;
- With strong electostatic forces in all directions
- When dissolved or molten(melted) the ions can move=create electrons
- Higher boiling points from giant repeating lattices with strong electrostatic forces in all directions.
- Giant repeating lattices
- Formed by the transfer of electrons to form ions. These are attracted to each other by electronic forces.
- Ionic bonds
- Metallic bonding
- losing electrons to gain a full outer shell
- Electrons form a 'sea of delocalisation'
- flows around the positive metals
- flows around the positive metals
- losing electrons to gain a full outer shell
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