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Periodic table of elements first 30 with atomic weights valency and charge |
Answer» HEYAAAA,,,,The First 30 Elements:Element-Symbol-Atomic number-Atomic mass-ValencyHydrogen-H(symbol)-1(Atomic number)-1(Atomic mass)-1(Valency)Helium-He-2-4-0Lithium-Li-3-7-1Beryllium-Be4-9-2Boron-B-5-11-3Carbon-C-6-12-4Nitrogen-N-7-14-3Oxygen-O-8-16-2Fluorine-F-9-19-1Neon-Ne-10-20-0Sodium-Na-11-23-1Magnesium-Mg-12-24-2Aluminum-Al-13-27-3Silicon-Si-14-28-4Phosphorus-P-15-31-3Sulphur-S-16-32-2Chlorine-Cl-17-35.5-1Argon-Ar-18-40-0Potassium-K-19-39-1Calcium-Ca-20-40-2Scandium-Sc-21-44-3Titanium-Ti-22-48-4Vanadium-V-23-51Chromium-Cr-24-52Manganese-Mn-25-55Iron-Fe-26-56Cobalt-Co-27-59Nickel-Ni-28-58Copper-Cu-29-63.5Zinc-Zn-30-65,....... Valencies are variable for elements 23-30HOPES ITS HELPFUL...MARK ME BRAINLIEST PLZ:)GLAD TO HELP U...:) |
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