Chemical energy is stored in the between atoms.

Consider the orbit of a typical comet around the sun, which is marked at five different positions, s, z, u, x , and p. sun a b x z p s u using kepler's second law of planetary motion, rank those positions in order of their relative speeds, with the position for the fastest speed first.

Which compound is held together by the electrostatic force between two ions? a. co2 b. cci4 c. h2s d. mgf2

What is the role of lenses in microscopy?