Criado por Charnanigan14
quase 11 anos atrás
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Non-metal atoms need to ....(gain/lose) electrons in order to get a stable electronic structure.
In covalent bonding, atoms...(take, share) electrons
A covalent bond is...
Covalently bonded substances form...
When drawing covalent bonds, you only draw...
Carbon forms several bonds which join to give giant covalent structures called...
What are the forces called that hold the atoms/ions together?
Which direction do these forces of attraction act in?
Do ionic compounds have a high or low melting/boiling point? Why?
Do covalently-bonded molecules have a high or low melting/boiling point? Why?
Does a simple molecule conduct electricity when a liquid?
Why are larger molecules more likely to be a liquid at room temperature rather than a gas?
Give an example of an atom which forms a giant covalent structure...
There are no.... in giant covalent structures
Diamond has a three dimensional structure of carbon atoms. Each atom is bonded to ... other atoms.
Graphite is another form of carbon. Each atom is bonded to ... other atoms.
Why is graphite so slippery and grey?
In graphite, each carbon atom has one delocalised electron. What does that mean?
Why does graphite conduct electricity and heat?
What are fullerenes?
Some fullerenes are...
What are some known uses of fullerenes?
What is a catalyst?
Giant Covalent Structures are...