Chemistry : a world of choices / Paul B. Kelter, James D. Carr, Andrew Scott. Title from box: Impact Title from box: Do you let the world happen to you, or do you make an impact on your world? Kelter, Paul B. Carr, James D. Scott, Andrew, 1955- Chemistry. QD33 .K327 1999 540 21 Issued in a box (33 cm.) with book title on spine; one leaf attached to the inside of box. Includes bibliographical references and index. Boston, Mass. : WCB/McGraw-Hill, 1998. 1998. 1998 Text xiv, 589 p. : eng