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Alhussan Chemistry — Stage 8

Chapter 7: Inside Atoms

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Chapter 8: Pure Substances and Solutions

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Chapter 9: Chemical Reactions 2

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Quiz

Chemistry 7.1 Inside atoms — Quiz

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  • Questions count: 50
  • Passing grade: B+
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1.
An atom has 3 protons. How many electrons in a neutral atom?
4
3
2
6
2.
Diameter of atom vs nucleus (relative). Which graph shows these results correctly?
Dr Dabour Hub Academy - figure 1
A
B
C
D
3.
Relative mass of sub-atomic particles. About how many times bigger is Proton than Electron?
Dr Dabour Hub Academy - figure 2
3000.0
1000.0
2000.0
4000.0
4.
Models of the atom over time. Which graph shows these results correctly?
Dr Dabour Hub Academy - figure 3
A
B
C
D
5.
Which statement is correct?
Electrons are much lighter than protons.
Atoms are solid all through.
Protons are negative.
Most mass is in the electrons.
6.
Particles in atoms. Which has the greatest value?
Dr Dabour Hub Academy - figure 4
H
O
He
Li
7.
Diameter of atom vs nucleus (relative). Which graph shows these results correctly?
Dr Dabour Hub Academy - figure 5
A
B
C
D
8.
Models of the atom over time. At what value of "Year" is "Particles known" smallest?
Dr Dabour Hub Academy - figure 6
1932
1897
1911
1803
9.
Relative mass of sub-atomic particles. Which graph shows these results correctly?
Dr Dabour Hub Academy - figure 7
A
B
C
D
10.
Relative mass of sub-atomic particles. Which graph shows these results correctly?
Dr Dabour Hub Academy - figure 8
A
B
C
D
11.
An atom has 8 protons and 6 neutrons. Total particles in the nucleus?
−2
8
14
48
12.
True or false? The first shell holds up to 2 electrons.
True
False
13.
Particles in atoms. Which graph shows these results correctly?
Dr Dabour Hub Academy - figure 9
A
B
C
D
14.
True or false? If an atom were a stadium the nucleus would be like a pea.
True
False
15.
Which statement is correct?
Most mass is in the electrons.
The nucleus is large.
Neutrons are positive.
The solid sphere model cannot explain chemical reactions.
16.
Nearly all the mass of an atom is in the ____.
nucleus
shells
empty space
electrons
17.
Hydrogen atoms have ____ proton.
8
0
1
2
18.
An atom is 100000 times wider than its nucleus. If the nucleus is 5 mm, how wide is the atom in m?
500,000 m
20,000 m
500 m
5000 m
19.
Particles in atoms. About how many times bigger is O than H?
Dr Dabour Hub Academy - figure 10
6.0
3.0
12.0
9.0
20.
True or false? The solid sphere model cannot explain chemical reactions.
True
False
21.
Which term matches this definition? “Early model of atoms as hard balls.”
Electrode
Solid sphere model
Indivisible
Neutron
22.
Particles in atoms. Which graph shows these results correctly?
Dr Dabour Hub Academy - figure 11
A
B
C
D
23.
What is the relative charge of a neutron?
+1
0
−1
+2
24.
Which term matches this definition? “Tiny dense centre of an atom.”
Attraction
Nucleus
Inner shell
Proton number
25.
Particles in atoms. Which graph shows these results correctly?
Dr Dabour Hub Academy - figure 12
A
B
C
D
26.
Particles in atoms. Which graph shows these results correctly?
Dr Dabour Hub Academy - figure 13
A
B
C
D
27.
The first shell holds up to ____ electrons.
18
1
2
8
28.
True or false? A neutral atom has equal protons and electrons.
True
False
29.
Relative mass of sub-atomic particles. Which graph shows these results correctly?
Dr Dabour Hub Academy - figure 14
A
B
C
D
30.
Protons are ____.
positive
negative
magnetic
neutral
31.
Electrons are found in ____.
shells
neutrons
protons
the nucleus
32.
Which is the correct definition of “Analogy”?
Comparing something to a familiar thing to explain it.
Isotope with 6 protons and 6 neutrons.
Very thin sheet of gold used in the experiment.
Pushing apart of like charges.
33.
True or false? Electrons are in the nucleus.
True
False
34.
Which term matches this definition? “A simplified representation.”
Carbon-12
Inner shell
Sub-atomic particle
Model
35.
Which is the correct definition of “Charge”?
Scientist who discovered the nucleus in 1911.
Isotope with 6 protons and 8 neutrons.
Property making particles attract or repel.
Very thin sheet of gold used in the experiment.
36.
If an atom were a stadium the nucleus would be like a ____.
car
tree
pea
house
37.
An atom is 100000 times wider than its nucleus. If the nucleus is 1 mm, how wide is the atom in m?
10 m
100 m
1000 m
100,000 m
38.
Which is the correct definition of “Solid sphere model”?
Conductor where current enters or leaves.
Two positive or two negative charges; they repel.
Isotope with 6 protons and 8 neutrons.
Early model of atoms as hard balls.
39.
Which statement is NOT correct?
Electrons are in the nucleus.
Models of the atom changed as evidence grew.
A neutral atom has equal protons and electrons.
The nucleus is very small compared with the atom.
40.
Which is the correct definition of “Sub-atomic particle”?
Shell closest to the nucleus, held most strongly.
Saw a green glow from rays in gas tubes.
Beam of electrons from the negative electrode.
A particle smaller than an atom.
41.
Which statement is NOT correct?
Protons and neutrons are in the nucleus.
A neutral atom has equal protons and electrons.
The solid sphere model explains solids, liquids and gases.
The nucleus is large.
42.
An atom has 6 protons and 8 neutrons. Total particles in the nucleus?
2
48
6
14
43.
Analogies help explain very ____ things.
small
bright
loud
cheap
44.
Most of an atom is empty ____.
liquid
space
solid
metal
45.
Models of the atom changed as ____ grew.
money
fashion
votes
evidence
46.
Particles in atoms. What is the value for Li?
Dr Dabour Hub Academy - figure 15
2
6
1
3
47.
Which statement is NOT correct?
The first shell holds up to 2 electrons.
Neutrons are neutral.
Models of atoms never change.
Electrons are negative.
48.
True or false? Neutrons are neutral.
True
False
49.
The diagram shows three atoms. How many protons does Atom B have?
Dr Dabour Hub Academy - figure 16
4
2
6
12
50.
Models of the atom over time. Which graph shows these results correctly?
Dr Dabour Hub Academy - figure 17
A
B
C
D
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Part of Chapter 7: Inside Atoms — see every lesson and quiz in this unit.
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