giant covalent structures

Question 1

what kind of bond do they have?

Answer 1

strong covalent

Question 2

what are the properties of GCS?

Answer 2

• very high mp and bp
• cant conduct electricity because they don’t have charged particle that are ready to move.
• they aren’t soluble in water

Question 3

what are giant covalent structure (GCS) made out of ?

Answer 3

carbon atoms

Question 4

what are 2 type of GCS ?

Answer 4

Diamond and Graphite

Question 5

describe the diamond structure

Answer 5

• made up of carbon atoms that each form four covalent bonds.
• makes diamond really hard
• used to cut tools
  take long to break so have high mp
• electrons are in covalent bond so aren’t free to move.
• doesn’t conduct electricity

Question 6

Describe the Graphite structure

Answer 6

• only forms three covalent bonds so arranged in hexagons.
• aren’t any covalent bond between the layers of sheet so they are held weekly
• week attractions mean they are free to move.
• this makes graphite soft and slippery
• each carbon atoms have one electron that’s free to move meaning it can conduct electricity and often used to make electrodes.