write all 120 elements with their valency
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NumberElementValence1Hydrogen(-1), +12Helium03Lithium+14Beryllium+25Boron-3, +36Carbon(+2), +47Nitrogen-3, -2, -1, (+1), +2, +3, +4, +58Oxygen-29Fluorine-1, (+1)10Neon011Sodium+112Magnesium+213Aluminum+314Silicon-4, (+2), +415Phosphorus-3, +1, +3, +516Sulfur-2, +2, +4, +617Chlorine-1, +1, (+2), +3, (+4), +5, +718Argon019Potassium+120Calcium+221Scandium+322Titanium+2, +3, +423Vanadium+2, +3, +4, +524Chromium+2, +3, +625Manganese+2, (+3), +4, (+6), +726Iron+2, +3, (+4), (+6)27Cobalt+2, +3, (+4)28Nickel(+1), +2, (+3), (+4)29Copper+1, +2, (+3)30Zinc+231Gallium(+2). +332Germanium-4, +2, +433Arsenic-3, (+2), +3, +534Selenium-2, (+2), +4, +635Bromine-1, +1, (+3), (+4), +536Krypton037Rubidium+138Strontium+239Yttrium+340Zirconium(+2), (+3), +441Niobium(+2), +3, (+4), +542Molybdenum(+2), +3, (+4), (+5), +643Technetium+644Ruthenium(+2), +3, +4, (+6), (+7), +845Rhodium(+2), (+3), +4, (+6)46Palladium+2, +4, (+6)47Silver+1, (+2), (+3)48Cadmium(+1), +249Indium(+1), (+2), +350Tin+2, +451Antimony-3, +3, (+4), +552Tellurium-2, (+2), +4, +653Iodine-1, +1, (+3), (+4), +5, +754Xenon055Cesium+156Barium+257Lanthanum+358Cerium+3, +459Praseodymium+360Neodymium+3, +461Promethium+362Samarium(+2), +363Europium(+2), +364Gadolinium+365Terbium+3, +466Dysprosium+367Holmium+368Erbium+369Thulium(+2), +370Ytterbium(+2), +371Lutetium+372Hafnium+473Tantalum(+3), (+4), +574Tungsten(+2), (+3), (+4), (+5), +675Rhenium(-1), (+1), +2, (+3), +4, (+5), +6, +776Osmium(+2), +3, +4, +6, +877Iridium(+1), (+2), +3, +4, +678Platinum(+1), +2, (+3), +4, +679Gold+1, (+2), +380Mercury+1, +281Thallium+1, (+2), +382Lead+2, +483Bismuth(-3), (+2), +3, (+4), (+5)84Polonium(-2), +2, +4, (+6)85Astatine?86Radon087Francium?88Radium+289Actinium+390Thorium+491Protactinium+592Uranium(+2), +3, +4, (+5), +6
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