
Periodic Trends: Unraveling Atomic Radius and Size Variations

Interactive Video
•
Chemistry, Science, Physics
•
9th - 12th Grade
•
Hard

Patricia Brown
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the atomic radius?
The distance from the nucleus to the outermost electron
Half the distance between two bonded identical atoms
The distance between two different atoms
The distance from the nucleus to the innermost electron
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Where are the smallest elements located on the periodic table?
Top right
Bottom right
Bottom left
Top left
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why do atoms get larger as you move down a group in the periodic table?
Because they gain more protons
Because they lose electron shells
Because they gain more electron shells
Because they lose protons
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens to the atomic size as you move from left to right across a period?
It remains the same
It fluctuates
It increases
It decreases
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is shielding in the context of atomic structure?
The repulsion between protons in the nucleus
The attraction between protons and electrons
The repulsion of outer electrons by inner shell electrons
The attraction between electrons in the same shell
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does effective nuclear charge affect atomic size?
It has no effect on atomic size
Higher effective nuclear charge decreases atomic size
Higher effective nuclear charge increases atomic size
It only affects the size of ions
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens to metals when they form cations?
They get larger
They get smaller
They become non-metals
They remain the same size
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