Covalent bonding and structures Flashcards
1
Q
How are covalent bonds formed?
A
Covalent bonds are formed when atoms share pairs of electrons.
2
Q
Covalently bonded substances may consist of small molecules.
How can you recognise common substances that consist of small molecules?
A
You can recognise common substances that consist of small molecules by their chemical formula.
3
Q
What is an example of a covalently bonded substance that has very large molecules?
A
Polymers are an example of a covalently bonded substance with very large molecules.
4
Q
What are two examples of covalently bonded substances that have giant covalent structures?
A
Diamond and Silicon Dioxide.
