Effective Nuclear Charge

Quiz
•
Science
•
10th Grade
•
Hard
Standards-aligned
Lisa Thompson
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
How does the effective nuclear charge relate to atomic radius?
An increase in effective nuclear charge decreases the atomic radius
An increase in effective nuclear charge increases the atomic radius
The effective nuclear charge has no effect on the atomic radius
The effective nuclear charge only affects isotopes
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What trend in atomic radius occurs as you move from left to right across a period in the periodic table?
The atomic radius increases because the nuclear charge decreases
The atomic radius decreases because the nuclear charge increases
The atomic radius remains constant because the number of energy levels remains the same
The atomic radius increases because the number of neutrons increases
Tags
NGSS.HS-PS1-1
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Why does Fluorine (F) have a smaller atomic radius than Lithium (Li)?
Because Fluorine has fewer protons than Lithium
Because Fluorine has more energy levels than Lithium
Because Fluorine has a higher nuclear charge, pulling electrons closer
Because Lithium is a gas at room temperature
Tags
NGSS.HS-PS1-1
4.
DRAG AND DROP QUESTION
1 min • 1 pt
Effective nuclear charge measures the attraction a valence electron feels to the nucleus of an atom. It is calculated by subtracting the (a) from the (b)
number of core electrons
total number of protons
number of valence electrons
total number of neutrons
5.
MATCH QUESTION
1 min • 1 pt
Match the effective nuclear charge to the correct atom
+5
Al
+2
P
+3
Ar
+7
Mg
+8
Cl
Tags
NGSS.HS-PS1-1
6.
DRAG AND DROP QUESTION
1 min • 1 pt
Considering the metals: Na, Mg, and Al we note that (a) has the highest effective nuclear charge. During an experiment we note that Al is the least reactive of the three metals. We would predict (b) to be the most reactive.
Al
Na
Mg
Tags
NGSS.HS-PS1-1
NGSS.HS-PS1-2
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Ionization energy increases moving from left to right accross the periodic table because
effective nuclear charge increases
the valence electrons are further from the nucleus
Tags
NGSS.HS-PS1-1
NGSS.HS-PS1-2
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