60. what is the priciple quantum number, (n)
61. the nucleus of rutherford atomis model has
A) small mass
B) small size
C) positive charge
D) large mass
E) negative charge
62. when a photon collides with an electron and the electron goes to a higher orbital, the photons _____ decreases.
A) speed
B) energy
C) wavelength
D) all the above
E) none of the above
64. A neon sign does not produce_____
A) a line spectrum
B) an emission spectrum
C) an absorption spectrum
D) photons
