Electrons are modeled using a "cloud" around the nucleus because they
a) can not be precisely located.
b) travel at the speed of light.
c) exist in many places at once.
d) move in an orbit about the nucleus.

Electrons are modeled using a "cloud" around the nucleus because they

A)can not be precisely located.

B)travel at the speed of light.  

C)exist in many places at once.  

D)move in an orbit about the nucleus.

the answer is false

explanation:

energy can be converted from one form to another, but it cannot be created or destroyed in ordinary chemical or physical means. do not understand what you are asking but hope this