An ionized atom having Z protons has had all but one of its ...

[mpobi80]

An ionized atom having Z protons has had all but one of its electrons removed. If R is the radius of the ground state electron orbit in atomic hydrogen, then what is the radius of the shell of the remaining electron in the ionized atom?
 
  A) R B) R/Z2 C) ZR D) Z2R E) R/Z

Question 2

The intensity of solar radiation near the earth is 1.4 kW/m2.
 
  What force is exerted by solar radiation impinging normally on a 5.0 m2 perfectly reflecting panel of an artificial satellite orbiting the earth? (c = 3.00  108 m/s, 0 = 4  10-7 T  m/A, 0 = 8.85  10-12 C2/N  m2)
  A) 94 N B) 14 kN C) 47 N D) 140 N E) 23 N

[sokh]

Answer to Question 1

E

Answer to Question 2

C

[mpobi80]

Both answers were spot on, thank you once again

[sokh]

Great! Please up vote