Question

. Which does not describe the relationship between the nucleus and the electron cloud of an atom?

The electron cloud takes up much more space than the nucleus.
The charges of the nucleus and electron cloud are balanced.
The electrons move much faster than the particles in the nucleus.
The masses of the nucleus and electron cloud are balanced

Answer 1

The last statement is false. The masses of the nucleus constitute almost all the mass of an atom. The mass of the electons is so smaill that it is neglected in most calculus.