Who proposed the planetary model of the atom with electro...
Who proposed the planetary model of the atom with electrons orbiting the nucleus?
Erwin Schrödinger
Ernest Rutherford
Niels Bohr
J.J. Thomson
Correct answer is C
Niels Bohr proposed the planetary model of the atom in 1913. According to this model, electrons move in circular orbits around the positively charged nucleus, much like planets orbiting the sun. However, this model has been refined in modern quantum theory.
A solution of zinc chloride should not be stored in a container made of ...
Elements X and Y have electronic configurations 1s22s22p4 and 1s22s22p\(^6\...
The weakest attractive force that can be observed between two molecules is ...
What weight of NaCl is needed to make 2.0 dm3 of a 1.5M solution? [Na = 23, Cl = 35.5]...
which of the following elements has the highest ionization energy? ...
Which of the following gases will rekindle a brightly splint? ...