The symbols Z, A, and N respectively stand for A) neutron ...

[JMatthes]

The symbols Z, A, and N respectively stand for
 
  A)
 
  neutron number, atomic mass number, atomic number.
  B)
 
  atomic number, atomic mass number, neutron number.
  C)
 
  atomic number, neutron number, atomic mass number.
  D)
 
  atomic mass number, atomic number, neutron number.
  E)
 
  atomic mass number, proton number, nucleon number.

Question 2

A cyclotron of radius 0.25 m accelerates protons in a 1.7-T magnetic field. What is the frequency for the applied alternating voltage?
 
  A)
 
  0.26 MHz
  B)
 
  2.6 MHz
  C)
 
  26 MHz
  D)
 
  260 MHz
  E)
 
  2600 MHz

[bubulittle310@msn.cn]

Answer to Question 1

B

Answer to Question 2

C