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] |