What is the atomic radius trend in Group 18 elements?
Periodic Trends Practice

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Chemistry
•
12th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
The atomic radius increases down the group as additional electron shells are added.
2.
FLASHCARD QUESTION
Front
Which element has the largest atomic radius in Group 18?
Back
Radon (Rn) has the largest atomic radius in Group 18.
3.
FLASHCARD QUESTION
Front
Why does Francium (Fr) have the lowest ionization energy in Group 1?
Back
Francium has the lowest ionization energy because its one valence electron is far from the nucleus, requiring little energy to remove it.
4.
FLASHCARD QUESTION
Front
What is ionization energy?
Back
Ionization energy is the energy required to remove an electron from an atom in the gas phase.
5.
FLASHCARD QUESTION
Front
Which element has the highest ionization energy among the following: Li, Na, K, Ni?
Back
Nickel (Ni) has the highest ionization energy among these elements.
6.
FLASHCARD QUESTION
Front
What is the trend of ionization energy across a period?
Back
Ionization energy generally increases from left to right across a period.
7.
FLASHCARD QUESTION
Front
What is the trend of ionization energy down a group?
Back
Ionization energy generally decreases down a group.
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