Why are the noble gases the least reactive elements? (1 point)
Responses
They have an empty inner electron shell.
They have an empty inner electron shell.
They are the most electronegative elements.
They are the most electronegative elements.
They have a full valence electron shell.
They have a full valence electron shell.
They are the elements with the smallest atomic mass.
1 answer
They have a full valence electron shell.