#1
Who discovered the electron?
#2
Which subatomic particle has a positive charge?
#3
What is the charge of a neutron?
#4
Which scientist proposed the concept of atomic theory?
#5
What is the atomic number of carbon?
#6
Who proposed the planetary model of the atom?
#7
Which of the following scientists conducted the gold foil experiment?
#8
Who proposed the idea of quantized energy levels in atoms?
#9
Who discovered the nucleus of an atom?
#10
Who first proposed the existence of the atom?
#11
What is the maximum number of electrons that can occupy the third energy level of an atom?
#12
Who proposed the wave-particle duality of electrons?
#13
Who formulated the equation for the quantization of angular momentum in an atom?
#14