Home > Science > Additional AQA Science Topics > Atomic structure and bonding > Covalent bonding
Atomic structure and bonding
What does a covalent bond involve?
sharing electrons between atoms
moving electrons between atoms
forming free electrons
Where do the electrons in a covalent bond come from?
the highest occupied energy level
the lowest occupied energy level
the inner shell
Nitrogen is in group 5. How many covalent bonds can it form?
The formula of sulfur dioxide is SO2. If an oxygen atom forms two covalent bonds, how many covalent bonds does sulfur form in sulfur dioxide?