4A1 + 302 > 2Al2O3
151 grams of Al2O3 are produced. How many moles of Al was needed
in the reaction?

Chemical energy is a form of a. kinetic energy only. b. both potential and kinetic energy. c. neither potential nor kinetic energy. d. potential energy only. reset

Connect the whole numbers on the periodic table to indicate what they represent?

Some familiar products contain some of the same types of atoms. for instance, the chemical formula for baking soda is nahco 3. the chemical formula for liquid bleach is naclo, and the chemical formula for table salt is nacl. which choice best describes why these three products have some of the same types of atoms in common?