Author Question: Estimate the radius (in fm) of a radon nucleus that contains 86 protons and 136 neutrons. What ... (Read 15 times)

jon_i · **on:** Jul 29, 2018

Estimate the radius (in fm) of a radon nucleus that contains 86 protons and 136 neutrons.

What will be an ideal response?

Question 2

At a particular instant, a proton moves toward the east in a uniform magnetic field that is directed straight downward. The magnetic force that acts on it is

A) downward.
B) upward.
C) zero.
D) toward the north.
E) toward the south.