Question

valencies and atomic no. of all atoms of periodic table

Answer 1

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), +61 - H - Hydrogen
2 - He - Helium
3 - Li - Lithium
4 - Be - Beryllium
5 - B - Boron
6 - C - Carbon
7 - N - Nitrogen
8 - O - Oxygen
9 - F - Fluorine
10 - Ne - Neon
11 - Na - Sodium
12 - Mg - Magnesium
13 - Al - Aluminum, Aluminium
14 - Si - Silicon
15 - P - Phosphorus
16 - S - Sulfur
17 - Cl - Chlorine
18 - Ar - Argon
19 - K - Potassium
20 - Ca - Calcium
21 - Sc - Scandium
22 - Ti - Titanium
23 - V - Vanadium
24 - Cr - Chromium
25 - Mn - Manganese
26 - Fe - Iron
27 - Co - Cobalt
28 - Ni - Nickel
29 - Cu - Copper
30 - Zn - Zinc
31 - Ga - Gallium
32 - Ge - Germanium
33 - As - Arsenic
34 - Se - Selenium
35 - Br - Bromine
36 - Kr - Krypton
37 - Rb - Rubidium
38 - Sr - Strontium
39 - Y - Yttrium
40 - Zr - Zirconium
41 - Nb - Niobium
42 - Mo - Molybdenum
43 - Tc - Technetium