crystal types Flashcards
bonding in graphite ?
covalent
what is the crystal type in graphite ?
macromolecular
can graphite conduce electricity ?
yes it conducts along the layers
what is graphite melting point like ?
high as many strong covalent bonds require a lot of energy to overcome
bonding in diamond ?
covalent
crystal type of diamond ?
macromolecular
can diamond conduct electricity ?
no it’s a insulator
what is the diamond melting point like ?
high melting point as lots of strong covalent bonds require alot of energy to overcome
bonding in Buckminster fullerene?
covalelant
crystal type of Buckminster fullerene?
molecular
can Buckminster fullerene conduct electricity ?
insulator as molecules nanotube fullorine can conduct as one tube .
explain the melting point of Buckminster fullerene?
low as inter molecular forces are weak and require little energy to overcome
bonding in methane ?
covalent
crystal type of methane ?
molecular
can methane conduct electricity ?
nope it’s an insulator
explain the melting point of methane ?
low as inter molecular forces are weak and require little energy to overcome
bonding in sulphur ?
covalent
crystal type of sulfur
molecular
can sulphur conduct electricity ?
no as it’s an insulator
explain the melting point of sulphur ?
low as inter molecular forces are weak and require little energy to overcome
explain the bonding of water
covalent
crystal type of water
molecular
can water conduct electricity
only conducts if contains ions
explain water’s melting point
low as weak inter molecular forces require little energy to overcome
sodium chloride bonding
ionic
sodium chloride crystal type
giant ionic
sodium chloride conduct electricity ?
only conduct if dissolved in water or molten
explain sodium chlorides melting point ?
high as electrostatic attraction between pos and neg is strong
zinc bonding ?
metallic
zinc crystal type
giant metallic
can zinc conduct electricity ?
conducts
explain zincs melting point
high as melting point between pos and electrons is strong
silicon dioxide bonding
covalent
silicon dioxide crystal type
macromolecular
silicon dioxide conduct electricity
no as insulator
explain silicon dioxides melting point
high as strong covalent bonds require lots of energy to overcome