Two elements that become bonded together after a chemical reaction are known as a
a. compound.
b. ion.
c. mixture.
d. nobel gas.

Calculate the mass percent of hydrogen in methyl acetate

Achange in the number of neutrons in an atom will change an blank . when the number of protons changes in an atom, a new element will form.

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