mass number of all elements in periodic table
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- Answer:
- 1.0079 Hydrogen H
- 4.0026 Helium He
- 6.941 Lithium Li
- 9.0122 Beryllium Be
- 10.811 Boron B
- 12.0107 Carbon C
- 14.0067 Nitrogen N
- 15.9994 Oxygen O
- 18.9984 Fluorine F
- 20.1797 Neon Ne
- 22.9897 Sodium Na
- 24.305 Magnesium Mg
- 26.9815 Aluminum Al
- 28.0855 Silicon Si
- 30.9738 Phosphorus P
- 32.065 Sulfur S
- 35.453 Chlorine Cl
- 39.0983 Potassium K
- 39.948 Argon Ar
- 40.078 Calcium Ca
- 44.9559 Scandium Sc
- 47.867 Titanium Ti
- 50.9415 Vanadium V
- 51.9961 Chromium Cr
- 54.938 Manganese Mn
- 55.845 Iron Fe
- 58.6934 Nickel Ni
- 58.9332 Cobalt Co
- 63.546 Copper Cu
- 65.39 Zinc Zn
- 69.723 Gallium Ga
- 72.64 Germanium Ge
- 74.9216 Arsenic As
- 78.96 Selenium Se
- 79.904 Bromine Br
- 83.8 Krypton Kr
- 85.4678 Rubidium Rb
- 87.62 Strontium Sr
- 88.9059 Yttrium Y
- 91.224 Zirconium Zr
- 92.9064 Niobium Nb
- 95.94 Molybdenum Mo
- 98 Technetium Tc
- 101.07 Ruthenium Ru
- 102.9055 Rhodium Rh
- 106.42 Palladium Pd
- 107.8682 Silver Ag
- 112.411 Cadmium Cd
- 114.818 Indium In
- 118.71 Tin Sn
- 121.76 Antimony Sb
- 126.9045 Iodine I
- 127.6 Tellurium Te
- 131.293 Xenon Xe
- 132.9055 Cesium Cs
- 137.327 Barium Ba
- 138.9055 Lanthanum La
- 140.116 Cerium Ce
- 140.9077 Praseodymium Pr
- 144.24 Neodymium Nd
- 145 Promethium Pm
- 150.36 Samarium Sm
- 151.964 Europium Eu
- 157.25 Gadolinium Gd
- 158.9253 Terbium Tb
- 162.5 Dysprosium Dy
- 164.9303 Holmium Ho
- 167.259 Erbium Er
- 168.9342 Thulium Tm
- 173.04 Ytterbium Yb
- 174.967 Lutetium Lu
- 178.49 Hafnium Hf
- 180.9479 Tantalum Ta
- 183.84 Tungsten W
- 186.207 Rhenium Re
- 190.23 Osmium Os
- 192.217 Iridium Ir
- 195.078 Platinum Pt
- 196.9665 Gold Au
- 200.59 Mercury Hg
- 204.3833 Thallium Tl
- 207.2 Lead Pb
- 208.9804 Bismuth Bi
- 209 Polonium Po
- 210 Astatine At
- 222 Radon Rn
- 223 Francium Fr
- 226 Radium Ra
- 227 Actinium Ac
- 231.0359 Protactinium Pa
- 232.0381 Thorium Th
- 237 Neptunium Np
- 238.0289 Uranium U
- 243 Americium Am
- 244 Plutonium Pu
- 247 Curium Cm
- 247 Berkelium Bk
- 251 Californium Cf
- 252 Einsteinium Es
- 257 Fermium Fm
- 258 Mendelevium Md
- 259 Nobelium No
- 261 Rutherfordium Rf
- 262 Lawrencium Lr
- 262 Dubnium Db
- 264 Bohrium Bh
- 266 Seaborgium Sg
- 268 Meitnerium Mt
- 272 Roentgenium Rg
- 277 Hassium Hs
- 281 Darmstadtium Ds
- 285 Copernicium Cn
- 286 Nihonium Nh
- 289 Flerovium Fl
- 288 Moscovium Mc
- 292 Livermorium Lv
- 294 Tennessine Ts
- 294 Oganesson Og
total = 118
ps : dont forget to write the SI unit of mass of elements i.e "u"
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Answer:
The mass number (represented by the letter A) is defined as the total number of protons and neutrons in an atom. Consider the table below, which shows data from the first six elements of the periodic table. Consider the element helium. Its atomic number is 2, so it has two protons in its nucleus.
Explanation:
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