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Alhussan Chemistry — Stage 9

Chapter 10: Structure, Bonding, and Properties

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Chapter 11: Patterns in the Periodic Table

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Chapter 12: Chemical Reactions 3 and Rates

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Chapter 13: Planet Earth and Continental Drift

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Quiz

Chemistry 10.2 Electrons in atoms — Quiz

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  • Questions count: 50
  • Passing grade: B+
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1.
Electrons in each shell of calcium. Which graph shows these results correctly?
Dr Dabour Hub Academy - figure 1
A
B
C
D
2.
Electrons in each shell of calcium. About how many times bigger is 2nd than 1st?
Dr Dabour Hub Academy - figure 2
2.0
4.0
6.0
8.0
3.
Electron arrangement gives an element its chemical ____.
properties
colour
density
mass
4.
Which term matches this definition? “Shell furthest from the nucleus.”
Cation
Aspirin
Outer shell
Crystal
5.
The group number equals the number of ____.
outer electrons
protons
shells
neutrons
6.
Outer electrons across Period 3. Which graph shows these results correctly?
Dr Dabour Hub Academy - figure 3
A
B
C
D
7.
True or false? The shell closest to the nucleus fills first.
True
False
8.
An element has configuration 2,8,3. What is its proton number?
11
3
13
5
9.
Why does sodium react with water but silver does not?
Sodium is heavier
Silver is not shiny
Silver has no electrons
Their atoms have different numbers and arrangements of electrons
10.
Energy to remove the outer electron (relative). What is the total of all the values?
Dr Dabour Hub Academy - figure 4
2372
7579
6889
6199
11.
The first shell holds up to ____ electrons.
1
18
8
2
12.
Energy to remove the outer electron (relative). Which has the smallest value?
Dr Dabour Hub Academy - figure 5
K
Ne
He
Ar
13.
Which statement is correct?
Sodium is 2,9.
Silver reacts vigorously with water.
Group number = number of shells.
Silver and sodium are both shiny and conduct.
14.
Elements with the same outer electrons have similar ____.
masses
densities
reactions
colours
15.
True or false? Chlorine is 2,7,8.
True
False
16.
Which statement is correct?
Silver reacts vigorously with water.
Group number = number of shells.
Neon has an incomplete outer shell.
Electron arrangement gives an element its chemical properties.
17.
An element has configuration 2,8,2. What is its proton number?
2
4
10
12
18.
Outer electrons across Period 3. What is the value for Mg?
Dr Dabour Hub Academy - figure 6
4
3
2
1
19.
True or false? Sodium's configuration is 2,8,1.
True
False
20.
Sodium reacts vigorously with water but silver does ____.
explosively
faster
too
not
21.
Energy to remove the outer electron (relative). Which has the greatest value?
Dr Dabour Hub Academy - figure 7
Ar
He
Na
Ne
22.
Oxygen's configuration is ____.
2,4
6,2
2,8
2,6
23.
An element has configuration 2,8,4. What is its proton number?
4
12
6
14
24.
Calcium (20) is in Group ____.
20
8
2
4
25.
Electrons in each shell of calcium. Which graph shows these results correctly?
Dr Dabour Hub Academy - figure 8
A
B
C
D
26.
Which term matches this definition? “Same number of protons and electrons.”
Cation
Covalent bond
Neutral atom
Periodic table
27.
True or false? Noble gases have full outer shells.
True
False
28.
Which statement is NOT correct?
Chlorine is 2,7,8.
Sodium reacts vigorously with water but silver does not.
The second shell holds up to 8 electrons.
Oxygen's configuration is 2,6.
29.
Electrons in each shell of calcium. Which has the smallest value?
Dr Dabour Hub Academy - figure 9
3rd
4th
1st
2nd
30.
Carbon has 6 electrons. How many are in its outer shell?
6
2
40
4
31.
True or false? Group number = number of shells.
True
False
32.
Which term matches this definition? “Holds up to 2 electrons.”
Crystal
First shell
Intermolecular forces
Mendeleev
33.
Which term matches this definition? “Number of occupied shells.”
Period number
Element
Electron configuration
Double bond
34.
In the diagram, which atom has a full outer shell?
Dr Dabour Hub Academy - figure 10
Chlorine
Sodium
Neon
None
35.
Which statement is NOT correct?
Sodium is 2,9.
Chlorine's configuration is 2,8,7.
Potassium (19) is 2,8,8,1.
Hydrogen has 1 electron.
36.
Aluminium (13) is ____.
3,8,2
2,11
2,3,8
2,8,3
37.
Electrons in each shell of calcium. Which has the greatest value?
Dr Dabour Hub Academy - figure 11
1st
2nd
3rd
4th
38.
An element has 4 electrons (≤ 10). How many in its outer shell?
2
−4
4
20
39.
Which term matches this definition? “Holds up to 8 electrons (for the first 20 elements).”
Third shell
Electrolyte
Period number
Electrostatic attraction
40.
Which statement is correct?
Oxygen is 2,8.
Chlorine's configuration is 2,8,7.
Period number = outer electrons.
Silver reacts vigorously with water.
41.
An element has 9 electrons (≤ 10). How many in its outer shell?
9
7
2
70
42.
In the diagram, which group is sodium in?
Dr Dabour Hub Academy - figure 12
Group 7
Group 0
Group 1
Group 11
43.
Outer electrons across Period 3. What is the total of all the values?
Dr Dabour Hub Academy - figure 13
31
8
41
36
44.
Outer electrons across Period 3. About how many times bigger is Ar than Na?
Dr Dabour Hub Academy - figure 14
12.0
4.0
8.0
16.0
45.
True or false? Oxygen is 2,8.
True
False
46.
Chlorine's configuration is ____.
2,8,8
2,8,7
2,7,8
8,8,1
47.
Outer electrons across Period 3. Which graph shows these results correctly?
Dr Dabour Hub Academy - figure 15
A
B
C
D
48.
Which statement is correct?
Atoms have more electrons than protons.
Oxygen is 2,8.
Hydrogen has 1 electron.
Sodium is 2,9.
49.
Which term matches this definition? “A shell (energy level) arrangement such as 2,8,3.”
Mass number
Formula
Isotope
Electronic configuration
50.
True or false? Sodium is 2,9.
True
False
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Part of Chapter 10: Structure, Bonding, and Properties — see every lesson and quiz in this unit.
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