Documents QUÍMICA DIAPOSITIVAS GAR VII

Presentación de PowerPoint Potassium Bromide K+ ; Br- Sum of charge= 1-1= 0 (electrically neutral) KBr Zinc Iodide Zn2+ ; I- +2 –1 = 1 *2 +2-2 = 0 (electrically neutral)…

Documents 42 Atoms

42 Atoms, Molecules, and Ions 2.1 The Atomic Theory In the fi fth century b.c. the Greek philosopher Democritus expressed the belief that all matter consists of very small,…