APPENDIX I Elements, their Atomic Number and Molar Mass

261 AppendixElementSymbolAtomicMolarNumberma ss/ (g mol 1) (243) (247) (264) (263) (252) ( ) (223) (269) ( ) (268) ( ) (259) (244) (145) (226)RadonRn86(222) (261) (266) ( ) (277)UnunniliumUun110(269)UnununiumUuu11 1(272) (g mol 1)The value given in parenthesis is the Molar mass of the isotope of largest known , their Atomic Number and Molar MassAPPENDIX I NCERTnot to be republished262 ChemistryCommon Unit of mass and Weight1 pound = grams1 pound = grams = kilogram1 kilogram = 1000 grams = pounds1 gram = 10 decigrams = 100 centigrams = 1000 milligrams1 gram = 1023 Atomic mass units or u1 Atomic mass unit = 10 24 gram1 metric tonne = 1000 kilograms = 2205 poundsCommon Unit of Volume1 quart = litre1 litre = quarts1 litre = 1 cubic decimetre = 1000 cubiccentimetres = cubic metre1 millilitre = 1 cubic centimetre = litre = 10-3 quart1 cubic foot = litres = quarts = gallonsCommon Units of Energy1 joule = 1 107 ergs1 thermochemical calorie**= joules= 107 ergs= 10 2 litre-atmospheres= 1019 electron volts1 ergs = 1 10 7 joule = 10 8 calorie1 electron volt = 10 19 joule = 10 12 erg = kJ/mol 1 litre-atmosphere = calories = joules = 109 ergs1 British thermal unit =

1-kilogram mass a velocity of 1 metre per second. ** The amount of heat required to raise the temperature of one gram of water from 14.5 0 C to 15.5 0 C. † Note that the other units are per particle and must be multiplied by 6.022 × 10 23 to be strictly

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