Tag: neutrons

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Questions Related to neutrons

Multiple choice chemistry structure of the atom neutrons discovery of neutrons structure of atoms

 Which of the following would not be attracted or deflected while traveling through an electric field?
I. Gamma ray
II. Beta particle
III. neutron.

  1. i only

  2. ii only

  3. i and ii Only

  4. i and iii only
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Gamma rays and neutrons have no charge as they are neutral, hence, these would not be attracted or deflected while traveling through an electric field.

Multiple choice chemistry structure of the atom neutrons discovery of neutrons structure of atoms

Doubly magic nucleus is:

  1. $ _{ 82 }^{ 207 }{ Pb }$
  2. $ _{ 82 }^{ 206 }{ Pb }$
  3. $ _{ 82 }^{ 208 }{ Pb }$
  4. $ _{ 83 }^{ 209 }{ Bi }$
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Doubly magic nucleus is $\displaystyle _{ 82 }^{ 208 }{ Pb }$. It has 82 protons and $\displaystyle 208-82=126$ neutrons. 82 and 126 are magic numbers.