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WorksheetsET 7A Quiz - Effective Nuclear Charge
Total questions: 12
Worksheet time: 36mins
Name
Class
Date
1.
How many shielding electrons does carbon have? (hint: write its configuration first)
a)
1
b)
2
c)
3
d)
4
2.
How many valence electrons does carbon have?
a)
3
b)
4
c)
5
d)
6
3.
As you go down a group, the amount of shielding....
a)
increases
b)
decreases
c)
stays the same
4.
As you go across a period, the amount of shielding...
a)
Increases
b)
decreases
c)
stays the same
5.
What is EFFECTIVE nuclear charge
a)
The charge that actually matters
b)
The sharge of an element
c)
The charge felt by the valence electrons
d)
The charge felt by the inner orbital electrons
6.
As you move down a group, the effective nuclear charge....
a)
increase
b)
decreases
c)
stays the same
7.
As you move across a period, the effective nuclear charge...
a)
increases
b)
decreases
c)
stays the same
8.
Which of the following elements has the most "shielding" electrons?
a)
Nitrogen
b)
Phosphorus
c)
Arsenic
d)
Bismuth
9.
Which of the following elements has the most "shielding" electrons?
a)
Neon
b)
flourine
c)
oxygen
d)
They have the same
10.
Which of the following elements has the highest effective nuclear charge?
a)
Indium
b)
Antimony
c)
tellerium
d)
Tin
11.
Which of the following elements has a greater effective nuclear charge?
a)
Radium
b)
Francium
c)
copernicium
d)
actinium
12.
In the following configuration, which electrons are the shielding electrons? 1s2 2s2 2p6 3s2 3p4
a)
1s2 2s2 2p6
b)
3s2 3p4
c)
1s2 2s2
d)
2s2 2p6 3s2 3p4
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