4. A thermogram is an image produced by a special camera that, instead of visible light, records
a. microwaves
b. radar
c. infrared rays
d. X-rays

Electric charge is what ? a. kinetic energy b. radiation c. discovery d. electricity

12. calculate the hydroxide ion concentration of a solution with ph = 3.25. show all calculations leading to an answer

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?