What are any elements in Groups 3-12 of the periodic table, typically having one or two valence electrons?

Solutions

Non metals

• alkaline earth metals

• transition metals

• Boron (B) - Group 13, 3 valence electrons

• Aluminum (Al) - Group 13, 3 valence electrons
• Gallium (Ga) - Group 13, 3 valence electrons
• Indium (In) - Group 13, 3 valence electrons
• Thallium (Tl) - Group 13, 3 valence electrons
• Carbon (C) - Group 14, 4 valence electrons
• Silicon (Si) - Group 14, 4 valence electrons
• Germanium (Ge) - Group 14, 4 valence electrons
• Tin (Sn) - Group 14, 4 valence electrons
• Lead (Pb) - Group 14, 4 valence electrons
• Nitrogen (N) - Group 15, 5 valence electrons
• Phosphorus (P) - Group 15, 5 valence electrons
• Arsenic (As) - Group 15, 5 valence electrons
• Antimony (Sb) - Group 15, 5 valence electrons
• Bismuth (Bi) - Group 15, 5 valence electrons
• Oxygen (O) - Group 16, 6 valence electrons
• Sulfur (S) - Group 16, 6 valence electrons
• Selenium (Se) - Group 16, 6 valence electrons
• Tellurium (Te) - Group 16, 6 valence electrons
• Polonium (Po) - Group 16, 6 valence electrons
• Fluorine (F) - Group 17, 7 valence electrons
• Chlorine (Cl) - Group 17, 7 valence electrons
• Bromine (Br) - Group 17, 7 valence electrons
• Iodine (I) - Group 17, 7 valence electrons
• Astatine (At) - Group 17, 7 valence electrons