The formula for the table salt is NaCl. Is table salt ionic or covalent? Explain.

650.j is the same amount of energy as? 2720cal1550cal650.cal2.72cal

Measurements that have similar values are: a. usually accurate b. sometimes accurate c. always accurate d. never accurate

As light moves from one material into the next, which of the following affects how much the light waves will refract, or bend? angle at which the ray strikes the medium color of the material density of the material temperature of the light wave