General chemistry / R. A. Day and Ronald C. Johnson. Day, R. A. (Reuben Alexander), 1915- Johnson, Ronald C., jt. aut. Chemistry. QD31.2 .D39 540 DAG Englewood Cliffs, N.J. : Prentice-Hall, 1974. 1974. 1974 Text xiii, 609 p. : eng