Question

write the element name, there
atomic number, mass
number, its valency,
valance electron of elements
having atomic numbers 1 to 120​

Answer 1

agbsgjjhshhhsgshgsgsshaj

Answer 2

Hydrogen(-1), +1 Helium0 Lithium+1 Beryllium+2 Boron-3, +3 Carbon(+2), +4 Nitrogen-3, -2, -1, (+1), +2, +3, +4, +5 Oxygen-2 Fluorine-1, (+1) Neon0 Sodium+1 Magnesium+2 Aluminum+3 Silicon-4, (+2), +4 Phosphorus-3, +1, +3, +5 Sulphur-2, +2, +4, +6 Chlorine-1, +1, (+2), +3, (+4), +5, +7 Argon0 Potassium+1 Calcium+2 Scandium+3 Titanium+2, +3, +4 Vanadium+2, +3, +4, +5 Chromium+2, +3, +6 Manganese+2, (+3), +4, (+6), +7 Iron+2, +3, (+4), (+6) Cobalt+2, +3, (+4) Nickel(+1), +2, (+3), (+4) Copper+1, +2, (+3) 30Zinc+2 31Gallium(+2). +3 32Germanium-4, +2, +4 33Arsenic-3, (+2), +3, +5 34Selenium-2, (+2), +4, +6 35Bromine-1, +1, (+3), (+4), +5 36Krypton0 37Rubidium+1 38Strontium+2 39Yttrium+3 40Zirconium(+2), (+3), +4 41Niobium(+2), +3, (+4), +5 42Molybdenum(+2), +3, (+4), (+5), +6 43Technetium+6 44Ruthenium(+2), +3, +4, (+6), (+7), +8 45Rhodium(+2), (+3), +4, (+6) 46Palladium+2, +4, (+6) 47Silver+1, (+2), (+3) 48Cadmium(+1), +2 49Indium(+1), (+2), +3 50Tin+2, +4 51Antimony-3, +3, (+4), +5 52Tellurium-2, (+2), +4, +6 53Iodine-1, +1, (+3), (+4), +5, +7 54Xenon0 55Cesium+1 56Barium+2 57Lanthanum+3 58Cerium+3, +4 59Praseodymium+3 60Neodymium+3, +4 61Promethium+3 62Samarium(+2), +3 63Europium(+2), +3 64Gadolinium+3 65Terbium+3, +4 66Dysprosium+3 67Holmium+3 68Erbium+3 69Thulium(+2), +3 70Ytterbium(+2), +3 71Lutetium+3 72Hafnium+4 73Tantalum(+3), (+4), +5 74Tungsten(+2), (+3), (+4), (+5), +6 75Rhenium(-1), (+1), +2, (+3), +4, (+5), +6, +7 76Osmium(+2), +3, +4, +6, +8 77Iridium(+1), (+2), +3, +4, +6 78Platinum(+1), +2, (+3), +4, +6 79Gold+1, (+2), + 3 80Mercury+1, +2 81Thallium+1, (+2), + 3 82Lead+2, +4 83Bismuth(-3), (+2), +3, (+4), (+5) 84Polonium(-2), +2, +4, (+6) 85Astatine?86Radon0 87Francium(unknown valency) .88Radium+2 89Actinium+3 90Thorium+4 91Protactinium+5 92Uranium(+2), +3, +4, (+5),