Question

which of statements about atoms is not correct
a. the electron cloud accounts for most of the atoms volume
b. the nucleus is positively charged
c. the nucleus accounts for most of the atom's mass
d. the nucleus accounts for most of the atoms volume
E. the extra nuclear region is negatively charged
f. more than one answer a through e above is not correct

Answer 1

Ans:d. the nucleus accounts for most of the atoms volume- Not correct

Reason:Well, inside the nucleus is the protons and the neutrons. They are by far heavier than the other particle - the election. Therefore, the nucleus contains most of the atom's MASS.The electron cloud is an area where the electrons are orbiting and spinning around the nucleus, and this area is much larger than the nucleus itself. Therefore, the electron cloud contains most of the VOLUME of the atom