VALENCIES

Apuntes

**Valencians** **H (±1), O (±2)** **Alkali Metals (±1):** Li, Na, K, Cs, Rb **Alkaline Earth Metals (±2):** Be, Mg, Ca, Sr, Ba **• Subtopic: Group of Boron** B (±3) Al, Ga, In, Tl **• Subtopic: Carbon Group** C, Si (±2, ±4) Ge, Sn, Pb (±2, ±4) **• Subtopic: Nitrogen Group** N, P, As (±3, ±5) Sb, Bi (±3, ±5) **• Subtopic: Heavy Metals** Cr (2, 3, 6) Mn (2, 3, 6, 7) Fe, Co, Ni (2, 3) Ag (1) **• Subtopic: Oxygen Group (±2, +4, +6)** Si, Te, Se **• Subtopic: Halogens** F (±1) Br, Cl, I (±1, +3, +5, +7) **• Subtopic: Noble Gases (0)** He, Rn, Kr, Xe --- **Alkali Metals** Li (Lithium) Na (Sodium) K (Potassium) Cs (Cesium) Rb (Rubidium) **Alkaline Earth Metals** Be (Beryllium) Mg (Magnesium) Ca (Calcium) Sr (Strontium) Ba (Barium) **• Subtopic: Group of Nitrogen** N (Nitrogen) P (Phosphorus) As (Arsenic) Sb (Antimony) Bi (Bismuth) **• Subtopic: Boron Group** B (Boron) Al (Aluminum) Ga (Gallium) In (Indium) Tl (Thallium) **• Subtopic: Carbon Group** C (Carbon) Si (Silicon) Ge (Germanium) Sn (Tin) Pb (Lead) **• Subtopic: Heavy Metals** Cr (Chromium) Mn (Manganese) Fe (Iron) Co (Cobalt)...