Of the following, when can a compound be treated like an element when balancing chemical equations?

a. when there is no change to the atoms in the compound.
b. when the compound is made of anions.
c. when the compound is made of cations.
d. when there is no charge on the molecule.

The electron configuration for chromium is 1 s 2 2 s 2 2 p 6 3 s 2 3 p 6 3 d 5 4 s 1 instead of 1 s 2 2 s 2 2 p 6 3 s 2 3 p 6 3 d 4 4 s 1 . the configuration is an exception to the

Llama have 74 chromosomes how many chromosomes will they be found in their gametes explain how you know

Clyde and marilyn are riding a roller coaster. during which section(s) of the track is their potential energy converted to kinetic energy? a. from point b to point c only b. from point b to point d only c. from point a to point b only d. from point a to point b and from point c to point d