In an exothermic reaction, the bonding energy of the product is:
a. less than the reactants
b. same as the reactants
c. greater than the reactants
d. dependent on the presence of a catalyst

Three cards with holes are arranged in a straight line. a light is shined through the first card’s hole and travels through all three cards. what does this tell you about light rays? a) that light is reflected b) that light is refractive c) that light travels in a straight line d) that light does not travel in a straight line

The atomic number, or number, is the described as the number of in the nucleus of an chemical element.

Why does a plastic bottle that is sealed at a high altitude change it’s shape when taken to lower altitude