4083410
Beschreibung
Mindmap von amybellingham, aktualisiert more than 1 year ago
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Erstellt von amybellingham
vor etwa 9 Jahre
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GIANT COVALENT LATTICE STRUCTURES
- DIAMOND
- each carbon atom has 4 covalent bonds with four other carbon atoms in ALL DIRECTIONS
- very hard
- used for drill tips
- used for drill tips
- rigid structure
- very hard
- no delocalised electrons
- can't carry electric current
- can't carry electric current
- each carbon atom has 4 covalent bonds with four other carbon atoms in ALL DIRECTIONS
- GRAPHITE
- each carbon atom has 3 covalent bonds
- each carbon atom has one delocalised, free electron
- conducts heat and electricity
- conducts heat and electricity
- each carbon atom has one delocalised, free electron
- layers of atoms
- slide over each other
- soft and slippery
- soft and slippery
- weak intermolecular forces between layers
- slide over each other
- each carbon atom has 3 covalent bonds
- GENERAL FACTS
- no charged ions
- all atoms are bonded to each other by strong covalent bonds
- lots of energy needed to break bonds
- very high melting/boiling points
- very high melting/boiling points
- lots of energy needed to break bonds
- no charged ions
- SILICA
- giant covalent lattice structure
- lining of furnaces
- very high melting point
- very high melting point
- silicon dioxide
- giant covalent lattice structure
Medienanhänge
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