Author Question: The number of electrons in a neutral atom is called its A) principal quantum number. B) ... (Read 106 times)

arivle123 · **on:** Jul 29, 2018

The number of electrons in a neutral atom is called its

A)

principal quantum number.
B)

orbital quantum number.
C)

magnetic quantum number.
D)

atomic number.
E)

none of the above answers.

Question 2

One star has a surface temperature of 6000 K and another has a surface temperature of 7000 K.

If the two stars have the same absolute luminosity, and if the radius of the 6000 K star is R6 and the radius of the 7000 K star is R7, what is the ratio R6/ R7? A)

0.7
B)

1.2
C)

1.4
D)

1.6
E)

1.9