The Periodic Table
Learn the chemical symbols, atomic numbers, and standard atomic weights for elements of the periodic table.
Cards · 65
- Hydrogen
- Symbol: H, Atomic number: 1, Atomic weight: 1.008
- Helium
- Symbol: He, Atomic number: 2, Atomic weight: 4.0026
- Lithium
- Symbol: Li, Atomic number: 3, Atomic weight: 6.94
- Beryllium
- Symbol: Be, Atomic number: 4, Atomic weight: 9.0122
- Boron
- Symbol: B, Atomic number: 5, Atomic weight: 10.81
- Carbon
- Symbol: C, Atomic number: 6, Atomic weight: 12.011
- Nitrogen
- Symbol: N, Atomic number: 7, Atomic weight: 14.007
- Oxygen
- Symbol: O, Atomic number: 8, Atomic weight: 15.999
- Fluorine
- Symbol: F, Atomic number: 9, Atomic weight: 18.998
- Neon
- Symbol: Ne, Atomic number: 10, Atomic weight: 20.180
- Sodium
- Symbol: Na, Atomic number: 11, Atomic weight: 22.990
- Magnesium
- Symbol: Mg, Atomic number: 12, Atomic weight: 24.305
- Aluminium
- Symbol: Al, Atomic number: 13, Atomic weight: 26.982
- Silicon
- Symbol: Si, Atomic number: 14, Atomic weight: 28.085
- Phosphorus
- Symbol: P, Atomic number: 15, Atomic weight: 30.974
- Sulfur
- Symbol: S, Atomic number: 16, Atomic weight: 32.06
- Chlorine
- Symbol: Cl, Atomic number: 17, Atomic weight: 35.45
- Argon
- Symbol: Ar, Atomic number: 18, Atomic weight: 39.948
- Potassium
- Symbol: K, Atomic number: 19, Atomic weight: 39.098
- Calcium
- Symbol: Ca, Atomic number: 20, Atomic weight: 40.078
- Scandium
- Symbol: Sc, Atomic number: 21, Atomic weight: 44.956
- Titanium
- Symbol: Ti, Atomic number: 22, Atomic weight: 47.867
- Vanadium
- Symbol: V, Atomic number: 23, Atomic weight: 50.942
- Chromium
- Symbol: Cr, Atomic number: 24, Atomic weight: 51.996
- Manganese
- Symbol: Mn, Atomic number: 25, Atomic weight: 54.938
- Iron
- Symbol: Fe, Atomic number: 26, Atomic weight: 55.845
- Cobalt
- Symbol: Co, Atomic number: 27, Atomic weight: 58.933
- Nickel
- Symbol: Ni, Atomic number: 28, Atomic weight: 58.693
- Copper
- Symbol: Cu, Atomic number: 29, Atomic weight: 63.546
- Zinc
- Symbol: Zn, Atomic number: 30, Atomic weight: 65.38
- Gallium
- Symbol: Ga, Atomic number: 31, Atomic weight: 69.723
- Germanium
- Symbol: Ge, Atomic number: 32, Atomic weight: 72.630
- Arsenic
- Symbol: As, Atomic number: 33, Atomic weight: 74.922
- Selenium
- Symbol: Se, Atomic number: 34, Atomic weight: 78.971
- Bromine
- Symbol: Br, Atomic number: 35, Atomic weight: 79.904
- Krypton
- Symbol: Kr, Atomic number: 36, Atomic weight: 83.798
- Rubidium
- Symbol: Rb, Atomic number: 37, Atomic weight: 85.468
- Strontium
- Symbol: Sr, Atomic number: 38, Atomic weight: 87.62
- Yttrium
- Symbol: Y, Atomic number: 39, Atomic weight: 88.906
- Zirconium
- Symbol: Zr, Atomic number: 40, Atomic weight: 91.224
- Niobium
- Symbol: Nb, Atomic number: 41, Atomic weight: 92.906
- Molybdenum
- Symbol: Mo, Atomic number: 42, Atomic weight: 95.95
- Technetium
- Symbol: Tc, Atomic number: 43, Atomic weight: [98]
- Ruthenium
- Symbol: Ru, Atomic number: 44, Atomic weight: 101.07
- Rhodium
- Symbol: Rh, Atomic number: 45, Atomic weight: 102.91
- Palladium
- Symbol: Pd, Atomic number: 46, Atomic weight: 106.42
- Silver
- Symbol: Ag, Atomic number: 47, Atomic weight: 107.87
- Cadmium
- Symbol: Cd, Atomic number: 48, Atomic weight: 112.41
- Indium
- Symbol: In, Atomic number: 49, Atomic weight: 114.82
- Tin
- Symbol: Sn, Atomic number: 50, Atomic weight: 118.71
- Antimony
- Symbol: Sb, Atomic number: 51, Atomic weight: 121.76
- Tellurium
- Symbol: Te, Atomic number: 52, Atomic weight: 127.60
- Iodine
- Symbol: I, Atomic number: 53, Atomic weight: 126.90
- Xenon
- Symbol: Xe, Atomic number: 54, Atomic weight: 131.29
- Caesium
- Symbol: Cs, Atomic number: 55, Atomic weight: 132.91
- Barium
- Symbol: Ba, Atomic number: 56, Atomic weight: 137.33
- Lanthanum
- Symbol: La, Atomic number: 57, Atomic weight: 138.91
- Tungsten
- Symbol: W, Atomic number: 74, Atomic weight: 183.84
- Platinum
- Symbol: Pt, Atomic number: 78, Atomic weight: 195.08
- Gold
- Symbol: Au, Atomic number: 79, Atomic weight: 196.97
- Mercury
- Symbol: Hg, Atomic number: 80, Atomic weight: 200.59
- Lead
- Symbol: Pb, Atomic number: 82, Atomic weight: 207.2
- Bismuth
- Symbol: Bi, Atomic number: 83, Atomic weight: 208.98
- Radon
- Symbol: Rn, Atomic number: 86, Atomic weight: [222]
- Uranium
- Symbol: U, Atomic number: 92, Atomic weight: 238.03