
Understanding Shielding Effects

Interactive Video
•
Chemistry
•
9th - 10th Grade
•
Hard
Nancy Jackson
FREE Resource
5 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the role of core electrons in a sodium atom?
They emit light when excited.
They are responsible for chemical bonding.
They shield the outermost electron from nuclear attraction.
They increase the atomic number.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
According to Coulomb's law, what happens to the attraction force between a proton and an electron as the distance between them increases?
The attraction force increases.
The attraction force becomes zero.
The attraction force decreases.
The attraction force remains constant.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why do outermost electrons experience less nuclear force?
They are closer to the nucleus.
They are further from the nucleus.
They have more protons.
They are in the first shell.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why does the shielding effect remain constant across a period?
The atomic number decreases.
The number of shells remains constant.
The valence electrons move closer to the nucleus.
The number of shells increases.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens to the shielding effect as you move down a group in the periodic table?
It remains constant.
It increases.
It fluctuates randomly.
It decreases.
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