AU - HART,RICHARD TI - CHEMISTRY T2 - BEGINNING SCIENCE SN - 0199140901 U1 - 540/HAR PY - 1985/// CY - OXFORD PB - OXFORD UNIVERSITY PRESS KW - CHEMISTRY KW - METHODS KW - EARTH, WATER, AND AIR KW - IDEAS KW - FAMILIES KW - MATERIAL FOR INDUSTRY KW - ENERGY ER -