Curriculum
Course: Alhussan Chemistry — Stage 8
Login

Curriculum

Alhussan Chemistry — Stage 8

Chapter 7: Inside Atoms

0/14

Chapter 8: Pure Substances and Solutions

0/26

Chapter 9: Chemical Reactions 2

0/33
Quiz

Chemistry 7.3 Finding the nucleus — Quiz

Submit quiz
Once you submit, you will no longer be able to change your answers. Are you sure you want to submit the quiz?
Cancel Submit
  • Questions count: 50
  • Passing grade: B+
Start Quiz
1.
Which statement is NOT correct?
Electrons orbit around the nucleus.
The atom is mostly solid.
Rutherford announced the nucleus in 1911.
Gold is used because it can be made very thin.
2.
Like charges ____.
cancel
attract
repel
ignore
3.
Which term matches this definition? “Expected result from a model.”
Model
Outer shell
Prediction
Hittorf
4.
Why did most alpha particles pass straight through?
Alpha particles are tiny electrons
The foil had holes
Most of the atom is empty space
Gold is a gas
5.
Which statement is correct?
Rutherford discovered the neutron.
The nucleus is negative.
The plum pudding model predicted particles bouncing back.
Rutherford moved to England in 1895.
6.
Thomson's model had no evidence for the ____ of electrons.
existence
mass
arrangement
charge
7.
If 1 in 8000 particles bounce back, how many from 40000 particles?
32,000
5
320,000,000
50
8.
Particles bounced back after hitting a small ____ nucleus.
positive
neutral
negative
hollow
9.
Of 10000 alpha particles, 1 bounced back. What percentage is this?
10000.00%
0.10%
1%
0.01%
10.
Which is the correct definition of “Repulsion”?
A particle smaller than an atom.
Pushing apart of like charges.
Rutherford's assistants who did the experiment.
Conductor where current enters or leaves.
11.
Which statement is correct?
Rutherford discovered the neutron.
Like charges attract.
The nucleus is negative.
Rutherford announced the nucleus in 1911.
12.
Particles bounced back for foils of different thickness. At what value of "Foil thickness (layers)" is "Bounced back per 10 000" greatest?
Dr Dabour Hub Academy - figure 1
4
5
2
3
13.
Which statement is correct?
Like charges attract.
The nucleus is negative.
The plum pudding model predicted most particles go straight through.
The atom is mostly solid.
14.
Particles counted at different angles. Calculate the percentage change in "Particles per minute" from 5 to 150.
Dr Dabour Hub Academy - figure 2
−100%
−799,900%
100%
0%
15.
True or false? Rutherford fired positive particles at gold foil.
True
False
16.
9980 of 10000 went straight through. What percentage?
0.2%
20.0%
998.0%
99.8%
17.
Which statement is NOT correct?
Rutherford used aluminium foil.
Rutherford lived in New Zealand until he was 23.
Rutherford later discovered the proton.
About 1 in 8000 particles bounced back.
18.
True or false? Most particles went straight through.
True
False
19.
Which term matches this definition? “Rutherford's model with a small positive nucleus.”
Indivisible
Model
Deflect
Nuclear model
20.
Which term matches this definition? “Small positive particle fired at gold foil.”
Rutherford
Outer shell
Alpha particle
Electrostatic force
21.
True or false? Thomson did the gold foil experiment.
True
False
22.
Which is the correct definition of “Prediction”?
Tiny dense centre of an atom.
Expected result from a model.
Rutherford's model with a small positive nucleus.
Rutherford's assistants who did the experiment.
23.
Who worked with Rutherford on the experiment?
Bohr and Chadwick
Curie and Becquerel
Geiger and Marsden
Thomson and Dalton
24.
Alpha particles in Rutherford's experiment (per 10 000). What is the value for Small deflection?
Dr Dabour Hub Academy - figure 3
9
90
9900
1
25.
True or false? Most alpha particles bounced back.
True
False
26.
What did Rutherford fire at gold foil?
Light
Neutrons
Alpha particles (positive)
Electrons
27.
Which is the correct definition of “Alpha particle”?
Energy level where electrons orbit the nucleus.
Small positive particle fired at gold foil.
Force holding protons and neutrons together in the nucleus.
Atom with equal numbers of protons and electrons.
28.
A few particles bounced ____.
through
away slowly
back
up
29.
True or false? The nucleus is negative.
True
False
30.
Which is the correct definition of “Geiger and Marsden”?
A simplified representation.
Scientist who in 1803 said matter is made of indivisible atoms.
Negative particle, charge −1, tiny mass, in shells.
Rutherford's assistants who did the experiment.
31.
True or false? This showed the atom is mostly empty space.
True
False
32.
Which statement is NOT correct?
The nucleus is negative.
Rutherford described it as like a shell bouncing off tissue paper.
Rutherford later discovered the proton.
Thomson's model had no evidence for the arrangement of electrons.
33.
2 of 10000 alpha particles bounced back. What percentage?
5000.000%
0.200%
99.980%
0.020%
34.
True or false? Rutherford's results supported the plum pudding model.
True
False
35.
Which statement is NOT correct?
Electrons orbit around the nucleus.
Thomson did the gold foil experiment.
Rutherford announced the nucleus in 1911.
The nuclear model replaced the plum pudding model.
36.
How many years between Rutherford moving to England (1895) and announcing the nucleus (1911)?
1911 years
1895 years
3806 years
16 years
37.
True or false? The nuclear model replaced the plum pudding model.
True
False
38.
Chadwick discovered the neutron in ____.
1911
1803
1897
1932
39.
This showed the atom is mostly ____.
empty space
liquid
positive
solid
40.
Which statement is correct?
Thomson did the gold foil experiment.
The nucleus is negative.
Alpha particles are negative.
Most particles went straight through.
41.
Which is the correct definition of “Nucleus”?
Uncharged particle in the nucleus, mass 1.
Tiny dense centre of an atom.
Rutherford's model with a small positive nucleus.
Scientist who discovered the nucleus in 1911.
42.
Particles bounced back for foils of different thickness. What is the value of "Bounced back per 10 000" when "Foil thickness (layers)" is 4?
Dr Dabour Hub Academy - figure 4
5
3
1
4
43.
Which statement is NOT correct?
The plum pudding model predicted particles bouncing back.
Most particles went straight through.
Rutherford described it as like a shell bouncing off tissue paper.
Rutherford lived in New Zealand until he was 23.
44.
A gold atom is 3 × 10^-10 m wide. How many atoms thick is foil of 6 × 10^-7 m?
18 atoms
2 atoms
20,000 atoms
2000 atoms
45.
1 of 8000 alpha particles bounced back. What percentage?
99.987%
0.125%
8000.000%
0.013%
46.
True or false? Like charges repel.
True
False
47.
Which statement is correct?
Particles bounced back after hitting a small positive nucleus.
Most alpha particles bounced back.
Thomson did the gold foil experiment.
The nucleus has most of the volume.
48.
Which term matches this definition? “Rutherford's assistants who did the experiment.”
Dalton
Carbon-14
Geiger and Marsden
Strong nuclear force
49.
If 1 in 10000 particles bounce back, how many from 40000 particles?
4
30,000
400,000,000
40
50.
Alpha particles in Rutherford's experiment (per 10 000). Which graph shows these results correctly?
Dr Dabour Hub Academy - figure 5
A
B
C
D
  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
  • 12
  • 13
  • 14
  • 15
  • 16
  • 17
  • 18
  • 19
  • 20
  • 21
  • 22
  • 23
  • 24
  • 25
  • 26
  • 27
  • 28
  • 29
  • 30
  • 31
  • 32
  • 33
  • 34
  • 35
  • 36
  • 37
  • 38
  • 39
  • 40
  • 41
  • 42
  • 43
  • 44
  • 45
  • 46
  • 47
  • 48
  • 49
  • 50
Part of Chapter 7: Inside Atoms — see every lesson and quiz in this unit.
Accepted payment methods