What quality do all of the elements in group 18, the noble gases, share?(1 point)
Responses
They are all highly reactive.
They are all highly reactive.
They all have a full outer valence shell.
They all have a full outer valence shell.
They all have 8 valence elections.
They all have 8 valence elections.
They all have the same number of protons in their nucleus.
1 answer
They all have a full outer valence shell.
1 answer