What makes the Group 1 elements the most reactive metals?
They have 8 valence electrons.
They have 1 valence electron.
The have no valence electrons.
They have 7 valence electrons.
The correct answer is:
They have 1 valence electron.
They have 8 valence electrons.
They have 1 valence electron.
The have no valence electrons.
They have 7 valence electrons.
They have 1 valence electron.