Saved Bookmarks
| 1. |
First thirty element with symbol valency atomic number ; molar mass ; mass number and atomicmass |
|
Answer» Hey mate Here is your answer Element Atomic Number Atomic Mass Valency Hydrogen 1 1.0079 (-1), +1 Helium 2 4.0026 0 Lithium 3 6.941 +1 Beryllium 4 9.0122 +2 Boron 10.811 -3, +3 Carbon 6 12.0107 (+2), +4 Nitrogen 7 14.0067 -3, -2, -1, (+1), +2, +3, +4, +5 Oxygen 8 15.9994 -2 Fluorine 9 18.9984 -1, (+1) Neon 10 20.1797 0 Sodium 11 22.9897 +1 Magnesium 12 24.305 +2 Aluminum 13 26.9815 +3 Silicon 14 28.0855 -4, (+2), +4 Phosphorus 15 30.9738 -3, +1, +3, +5 Sulfur 16 32.065 -2, +2, +4, +6 Chlorine 17 35.453 -1, +1, (+2), +3, (+4), +5, +7 Argon 18 39.0983 0 Potassium 19 39.948 +1 Calcium 20 40.078 +2 Scandium 21 44.9559 +3 Titanium 22 47.867 +2, +3, +4 Vanadium 23 50.9415 +2, +3, +4, +5 Chromium 24 51.9961 +2, +3, +6 Manganese 25 54.938 +2, (+3), +4, (+6), +7 Iron 26 55.845 +2, +3, (+4), (+6) Nickel 27 58.6934 +2, +3, (+4) Cobalt 28 58.9332 (+1), +2, (+3), (+4) Copper 29 63.546 +1, +2, (+3) Zinc 30 65.39 +2 First is element name Second is atomic number Third is atomic mass Fourth is valency Was it helpful? PLEASE mark it as BRAINLIEST answer! |
|