Atomic Radius and Periodic Trends
Interactive Video
•
Chemistry
•
9th - 10th Grade
•
Practice Problem
•
Hard
Jackson Turner
FREE Resource
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7 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main question being addressed in the video?
What is the atomic number of aluminum?
What is the electron configuration of aluminum?
Which element has a larger atomic radius, aluminum or magnesium?
How many protons does magnesium have?
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Where are aluminum and magnesium located on the periodic table?
Next to each other
In the same group
In the noble gases section
In the transition metals section
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens to the atomic radius as you move down a group in the periodic table?
It increases
It fluctuates
It decreases
It remains the same
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does the atomic radius change as you move across a period from left to right?
It doubles
It remains constant
It decreases
It increases
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why does the atomic radius decrease as you move across a period?
Because of the loss of electrons
Because of the addition of energy levels
Due to the increase in effective nuclear charge
Due to the decrease in atomic mass
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which element has a larger atomic radius, aluminum or magnesium?
Magnesium
It cannot be determined
Aluminum
Both have the same atomic radius
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the reason for magnesium having a larger atomic radius than aluminum?
Magnesium is heavier
Magnesium has fewer protons
Magnesium has a lower effective nuclear charge
Magnesium is a noble gas
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