Common abbreviations used in scienTIFIC ENGLISH[10]
| abs. | absolute | hyd. | hydrated | 
| a.c. (AC) | alternating current | i.e. | (id est) = that is | 
| anhyd. | anhydrous | insol. | insoluble | 
| a.p. | atmospheric pressure | i.r. (IR) | infra-red | 
| approx. | approximately | liq. | liquid | 
| aq. | aqueous | M.A. | mechanical advantage | 
| b.p. | boiling point | max. | maximum | 
| c.g. | centre of gravity | min. | minimum | 
| coeff. | coefficient | m.p. | melting point | 
| conc. | concentrated | p.d. | potential difference | 
| concn. | concentration | ppt. | precipitate | 
| const. | constant | r.a.m. | relative atomic mass | 
| crit. | critical | r.d. | relative density | 
| cryst. | crystalline | r.h. | relative humidity | 
| d. | decomposed | r.m.m. | relative molecular mass | 
| d.c. (DC) | direct current | r.m.s. | root mean square | 
| decomp. | decomposition | sol. | soluble | 
| dil. | dilute | soln. | solution | 
| dist. | distilled | sp. | specific | 
| e.g. | (exempli gratia) = | sq. | square | 
|   for example  |  s.t.p. | standard temperature | |
| e.m.f. | electromotive force |   and pressure  |  |
| eqn. | equation | temp. | temperature | 
| expt. | experiment | u.v. (UV) | ultra-violet | 
| fig. | figure (diagram) | vac. | vacuum | 
| f.p. | freezing point | v.d. | vapour density | 
| f.s.d. | full-scale deflection | V.R. | velocity ratio | 
| h. | hour | wt. | weight | 
|   I  |    II  |    III  |    IV  |    V  |  ||||
|   1  |   H  Hydrogen 1 1.0079  |  |||||||
|   2  |   Li  Lithium 3 6.94  |   Be  Beryllium 4 9.012  |    B Boron 5 10.81  |    C Carbon 6 12.011  |    N Nitrogen 7 14.0067  |  |||
|   3  |   Na  Sodium 11 22.99  |   Mg  Magnesium 12 24.305  |    Al Aluminium 13 26.98  |    Si Silicon 14 28.085  |    P Phosphorus 15 30.974  |  |||
|   4  |   K  Potassium 19 39.098  |   Ca  Calcium 20 40.08  |   Sc  Scandium 21 44.956  |   Ti  Titanium 22 47.90  |   V  Vanadium 23 50.94  |  |||
|   Cu Copper 29 63.54  |    Zn Zinc 30 65.38  |    Ga Gallium 31 69.72  |    Ge Germanium 32 72.59  |    As Arsenic 33 74.92  |  ||||
|   5  |   Rb  Rubidium 37 85.47  |   Sr  Strontium 38 87.62  |   Y  Yttrium 39 88.91  |   Zr  Zirconium 40 91.22  |   Nb  Niobium 41 92.906  |  |||
|   Ag Silver 47 107.87  |    Cd Cadmium 48 112.41  |    In Indium 49 114.82  |    Sn Tin 50 118.69  |    Sb Antimony 51 121.75  |  ||||
|   6  |   Cs  Caesium 55 32.905  |   Ba  Barium 56 137.33  |    La–Lu  |   Hf  Hafnium 72 178.49  |   Ta  Tantalum 73 180.95  |  |||
|   Au Gold 79 196.97  |    Hg Mercury 80 200.5  |    Tl Thallium 81 204.3  |    Pb Lead 82 207.2  |    Bi Bismuth 83 208.98  |  ||||
|   7  |   Fr  Francium 87 [223]  |   Ra  Radium 88 226.03  |    Ac–(Lr)  |   Ku  Kurchatovium 104 [261]  |   Ns  Nielsbohrium 105 [261]  |  |||
|   Lanthanides  |    La Lanthanum 57 138.905  |    Ce Cerium 58 140.12  |    Pr Praseodymium 59 140.9077  |  |||||
|   Ga Gadolinium 64 157.2  |    Tb Terbium 65 158.93  |    Dy Dysprosium 66 162.50  |    Ho Holmium 67 164.93  |  |||||
|   Actinides  |    Ac Actinium 89 [227]  |    Th Thorium 90 232.038  |    Pa Protactinium 91 231.036  |  |||||
|   Cm Curium 96 [247]  |    Bk Berkelium 97 [247]  |    Cf Californium 98 [251]  |    Es Einsteinium 99 [254]  |  |||||
OF CHEMICAL ELEMENTS Приложение 2
|   VI  |    VII  |    VIII  |  ||
|   H  |    He Helium 2 4.0026  |  |||
|   O Oxygen 8 15.999  |    F Fluorine 9 18.998  |    Ne Neon 10 20.179  |  ||
|   S Sulphur 16 32.06  |    Cl Chlorine 17 35.453  |    Ar Argon 18 39.948  |  ||
|  Cr  Chromium 24 51.996  |   Mn  Manganese 25 54.938  |   Fe  Iron 26 55.847  |   Co  Cobalt 27 58.933  |   Ni  Nickel 28 58.70  |  
|   Se Selenium 34 78.96  |    Br Bromine 35 79.904  |    Kr Krypton 36 83.80  |  ||
|  Mo  Molybdenum 42 95.94  |   Tc  Technetium 43 98.906  |   Ru  Ruthenium 44 101.07  |   Rh  Rhodium 45 102.9  |   Pd  Palladium 46 106.4  |  
|   Te Tellurium 52 127.6  |    I Iodine 53 126.90  |    Xe Xenon 54 131.3  |  ||
|  W  Tungsten 74 183.8  |   Re  Rhenium 75 186.21  |   Os  Osmium 76 190.2  |   Ir  Iridium 77 199.2  |   Pt  Platinum 78 195.1  |  
|   Po Polonium 84 [209]  |    At Astatine 85 [210]  |    Rn Radon 86 [222]  |  ||
|   Nd Neodymium 60 144.24  |    Pm Promethium 61 [145]  |    Sm Samarium 62 150.4  |    Eu Europium 63 151.96  |  
|   Er Erbium 68 167.26  |    Tm Thulium 69 168.93  |    Yb Ytterbium 70 173.04  |    Lu Lutetium 71 174.967  |  
|   U Uranium 92 238.029  |    Np Neptunium 93 237.048  |    Pu Plutonium 94 [244]  |    Am Americium 95 [243]  |  
|   Fm Fermium 100 [257]  |    Md Mendelevium 101 [258]  |    No Nobelium 102 [255]  |    Lr Lawrencium 103 [256]  |