Title Bài 3. NGUYÊN TỐ HÓA HỌC - GV.docx ✅

1 Hydrogen H 1 2 Helium He 4 3 Lithium Li 6 4 Beryllium Be 9 5 Boron B 11 6 Carbon C 12 7 Nitrogen N 14 8 Oxygen O 16 9 Fluorine F 19 10 Neon Ne 20 11 Sodium Na 23 12 Magnesium Mg 24 13 Aluminium (nhôm) Al 27 14 Silicon Si 28 15 Phosphorus P 31 16 Sulfur (lưu huỳnh) S 32 17 Chlorine Cl 35,5 18 Argon Ar 40 19 Potassium K 39 20 Calcium Ca 40 24 Chromium Cr 52 25 Manganese Mn 55 26 Iron (sắt) Fe 56 27 Cobalt Co 59 28 Nickel Ni 59 29 Copper (đồng) Cu 64 30 Zinc (kẽm) Zn 65 35 Bromine Br 80 47 Silver (bạc) Ag 108 50 Tin/Stantum (thiếc) Sn 119 56 Barium Ba 137 78 Platinum Pt 195 79 Aurum/Gold (vàng) Au 197 80 Mercury Hg 201