The electrons of an atom are Multiple Choice always equal in number to the number of neutrons in an atom. found in the nucleus. used to determine atomic number. positively charged. moving in pathways called orbitals.

The footprints of a dinosaur and the burrow of an ancient shrimp are examples of which kind of fossils

Which of the following warnings would an agricultural chemist tell a farmer who wants to recycle his or her own ammonia? recycling ammonia is a difficult process that sometimes takes weeks. recycling ammonia requires a degree in biochemistry or a related field. recycling ammonia can be harmful because it is highly flammable and toxic. recycling ammonia costs too much money considering the price of the necessary chemicals.

Witch two conditions can limit the usefulness of the kinetic molecular theory in describing gas behavior?