What is atomic radius?
Atomic Radius Trend Short Practice

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•
Chemistry
•
10th - 12th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
Back
The atomic radius is the distance from the nucleus of an atom to the outermost shell of electrons.
2.
FLASHCARD QUESTION
Front
How does atomic radius change across a period in the periodic table?
Back
Atomic radius decreases as you move from left to right across a period due to increasing nuclear charge, which pulls electrons closer to the nucleus.
3.
FLASHCARD QUESTION
Front
How does atomic radius change down a group in the periodic table?
Back
Atomic radius increases as you move down a group because additional electron shells are added, increasing the distance between the nucleus and the outermost electrons.
4.
FLASHCARD QUESTION
Front
What is the trend of atomic radius in the periodic table?
Back
Atomic radius decreases across a period and increases down a group.
5.
FLASHCARD QUESTION
Front
Which element has a larger atomic radius: Sodium (Na) or Chlorine (Cl)?
Back
Sodium (Na) has a larger atomic radius than Chlorine (Cl) because it is located further to the left in the periodic table.
6.
FLASHCARD QUESTION
Front
What is the atomic radius of Noble Gases compared to other groups?
Back
Noble Gases have the smallest atomic radius in their respective periods due to their full valence shell.
7.
FLASHCARD QUESTION
Front
Why do atoms get smaller as you move across a period?
Back
Atoms get smaller because the number of protons increases, leading to a stronger positive charge that pulls electrons closer.
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