Structure of th...

Rutherford's experiment for the first time proved that an atom has:

The total number of electrons in a nitrogen atom and a chlorine atom are $$7$$ and $$17$$ respectively. Find the number of valence electrons in them.

Which of following was not explained by Rutherford?

Which one of the following about atomic structure is FALSE?

$$I$$. During Rutherford's gold foil experiment, a beam of alpha particles was directed at a thin sheet of gold foil. This helped to prove the existence of a nucleus in the atom.

Which experiment helped to prove the existence of the atomic nucleus?

Positive charge in an atom is:

Scientists previously thought an atom looked like plum pudding. In this model, it was assumed that protons and electrons were distributed throughout the atom almost randomly. Which of the following contributions DISPROVED the Plum Pudding Model?

Who proposed the planetary model of the atom?