Geiriadur Sylweddau Cemegol

Syml ar gyfer peiriannau chwilio cemegol pwerus


Newyddion Dim ond 5% o BOBLOGAETH fyddai'n gwybod

hysbyseb
grŵp 1 2 3   4 5 6 7 8 9 10 11 12 13 14 15 16 17 18
Metelau alcali Metelau daear alcalïaidd Pnictogens Chalcogens Halogens Nwyon Noble
cyfnod

1

Hydrogen1H1.008 Heliwm2He4.0026
2 Lithiwm3Li6.94 Beryllium4Be9.0122 Boron5B10.81 Carbon6C12.011 Nitrogen7N14.007 Ocsigen8O15.999 Fflworin9F18.998 Neon10Ne20.180
3 Sodiwm11Na22.990 Magnesiwm12Mg24.305 Alwminiwm13Al26.982 Silicon14Si28.085 Ffosfforws15P30.974 Sylffwr16S32.06 Clorin17Cl35.45 Argon18Ar39.948
4 Potasiwm19K39.098 Calsiwm20Ca40.078 Scandium21Sc44.956 Titaniwm22Ti47.867 Fanadiwm23V50.942 Cromiwm24Cr51.996 Manganîs25Mn54.938 haearn26Fe55.845 Cobalt27Co58.933 Nicel28Ni58.693 Copr29Cu63.546 sinc30Zn65.38 Gallium31Ga69.723 Germanium32Ge72.630 arsenig33As74.922 Seleniwm34Se78.971 Bromin35Br79.904 Krypton36Kr83.798
5 Rubidium37Rb85.468 Strontiwm38Sr87.62 Yttriwm39Y88.906 Zirconium40Zr91.224 Niobium41Nb92.906 Molybdenwm42Mo95.95 Technetium43Tc[98] Ruthenium44Ru101.07 Rhodiwm45Rh102.91 Palladium46Pd106.42 arian47Ag107.87 Cadmiwm48Cd112.41 indium49In114.82 Tin50Sn118.71 Antimoni51Sb121.76 Tellurium52Te127.60 Ïodin53I126.90 Xenon54Xe131.29
6 Cesiwm55Cs132.91 Bariwm56Ba137.33 Lanthanum57La138.91 1 seren Hafnium72Hf178.49 Tantalwm73Ta180.95 Twngsten74W183.84 Rhenium75Re186.21 Osmium76Os190.23 Iridium77Ir192.22 Platinwm78Pt195.08 Gold 79Au196.97 Mercwri80Hg200.59 Thallium81Tl204.38 Arwain82Pb207.2 Bismuth83Bi208.98 Poloniwm84Po[209] Astatine85At[210] Radon86Rn[222]
7 Francium87Fr[223] Radiwm88Ra[226] Actinium89Ac[227] 1 seren Rutherfordium104Rf[267] Dubnium105Db[268] Seaborgium106Sg[269] Bohrium107Bh[270] Hassium108Hs[270] Meitnerium109Mt[278] Darmstadtium110Ds[281] Roentgenium111Rg[282] Copernicium112Cn[285] Nihonium113Nh[286] Flerovium114Fl[289] Moscovium115Mc[290] Livermorium116Lv[293] Tennessine117Ts[294] Oganesson118Og[294]
1 seren Cerium58Ce140.12 Praseodymium59Pr140.91 Neodymiwm60Nd144.24 Promethium61Pm[145] Samariwm62Sm150.36 Europium63Eu151.96 Gadolinium64Gd157.25 Terbium65Tb158.93 Dysprosiwm66Dy162.50 Holmium67Ho164.93 Erbium68Er167.26 Thwliwm69Tm168.93 Ytterbium70Yb173.05 Lutetium71Lu174.97  
1 seren Thorium90Th232.04 Protactinium91Pa231.04 Wraniwm92U238.03 Neptunium93Np[237] Plwtoniwm94Pu[244] Americium95Am[243] Curiwm96Cm[247] Berkelium97Bk[247] Californium98Cf[251] Einsteinium99Es[252] Fermium100Fm[257] Mendelevium101Md[258] Nobelium102Na[259] Lawrencium103Lr[266]

Ein Noddwr

TVB Amser i'w gofio

Newyddion sy'n torri

Gwybodaeth Diddorol Dim ond Ychydig o Bobl Sy'n Gwybod


Mae hysbysebion ffurflenni incwm yn ein helpu i gynnal cynnwys o'r ansawdd uchaf pam mae angen i ni osod hysbysebion? : D.

Nid wyf am gefnogi gwefan (agos) - :(