Questions in atomic-structure

Select	Question
	The nature of anode rays depends upon
	One would expect proton to have very large
	The mass of a mol of proton and electron is
	The average distance of an electron in an atom from its nucleus is of the order of
	The mass of 1 mole of electrons is
	The ratio of specific charge of a proton and an $\alpha $-particle is
	Ratio of masses of proton and electron is
	Splitting of signals is caused by
	The proton and neutron are collectively called as
	Which of the following has the same mass as that of an electron