Chemical Symbol And Nucleus Quiz Questions

15 Questions | By Chuso | Last updated: Mar 21, 2022 | Total Attempts: 18

Questions

Settings

Create your own Quiz

Can you identify all these chemical symbol questions? Let's prove you now by taking this quiz!

Questions and Answers

1.

The nucleus of a particular form of carbon (chemical symbolC) contains 6 protons and 7 neutrons. Which of the following isthe correct way to represent it?
- A.
  
  A
- B.
  
  B
- C.
  
  C
- D.
  
  D
2.

A particular nuclide of iron (chemical symbol Fe) is representedas follows:
- A.
  
  56 neutrons
- B.
  
  26 electrons
- C.
  
  26 neutrons
- D.
  
  26 protons
3.

How many neutrons does this nuclide have?
4.

Which symbol represents a beta particle?
- A.
  
  A
- B.
  
  B
- C.
  
  C
- D.
  
  D
5.

Which symbol could represent an alpha particle?
- A.
  
  A
- B.
  
  B
- C.
  
  C
- D.
  
  D
6.

A radioactive nuclide X decays according to this equation:
- A.
  
  A
- B.
  
  B
- C.
  
  C
- D.
  
  D
7.

A radioactive sample contains 8000 undecayed atoms. It hasa half-life of 4 days. What will be the number of undecayedatoms remaining after 12 days?
8.

The graph shows the pattern of decay of a radioactive substance.What is the half-life of the substance?
9.

The graph bellow shows the amount of undecayed material in a sample of a radioactive substance as it decayed. When the material had decayed to a very low level, the detector still recorded background radiation.From the graph, determine the background count rate.
10.

The graph bellow shows the amount of undecayed material in a sample of a radioactive substance as it decayed. When the material had decayed to a very low level, the detector still recorded background radiation.Determine the initial count rate due to the radioactive substance by calculating:initial count rate - background count rate
11.

Which part of the atom contains most of its mass?
- A.
  
  Shells
- B.
  
  Orbits
- C.
  
  Nucleus
- D.
  
  Neutron
12.

The diagram shows the paths of some alpha particles as they approached a nucleus of a gold atom.Explain why the alpha particle (1) shown was back-scattered.
- A.
  
  It's pushed back repelled by the nucleus when it passes by very near.
- B.
  
  It's pushed back attracted by the nucleus when it passes by very near.
- C.
  
  It's pushed back repelled by the nucleus when it passes by far away.
- D.
  
  It's pushed back attracted by the nucleus when it passes by far away.
13.

The diagram shows the paths of some alpha particles as they approached a nucleus of a gold atom.Explain why the alpha particle (2) shown was undeflected as it passed the gold nucleus.
- A.
  
  They have unlike charges.
- B.
  
  It's too close to the nucleus.
- C.
  
  They have like charges but it's far away from the nucleus.
- D.
  
  All alpha particles are deflected.