Respuesta :
Groups 3-12 (transition metals)
Group 13 (III) (boron group) 3
Group 14 (IV) (carbon group) 4
Group 15 (V) (pnictogens or nitrogen group)
Group 13 (III) (boron group) 3
Group 14 (IV) (carbon group) 4
Group 15 (V) (pnictogens or nitrogen group)
Answer:
Column 1A all have one valence electron.
Explanation:
Look at a periodic table!
