Why does atomic radius increase as you move down a group?
Periodic Trends

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Chemistry
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9th - 11th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
You add more and more shells (energy levels).
2.
FLASHCARD QUESTION
Front
The atom with the largest atomic radius in Group 18 is:
Ar
,He
,Kr
,Rn
Back
Rn
3.
FLASHCARD QUESTION
Front
As you move across the periodic table from left to right, the atomic radius decreases. Why?
Back
the number of protons increases and more electrons are added in the same shell, therefore nucleus attracts electrons more strongly.
4.
FLASHCARD QUESTION
Front
Atom with the largest atomic radius in Period 4
Back
K
5.
FLASHCARD QUESTION
Front
Why does Francium (Fr) have the lowest ionization energy in Group 1?
Back
Its valence electron is very far from the nucleus, so little energy is needed to remove it.
6.
FLASHCARD QUESTION
Front
The energy required to remove electrons is the definition of:
Back
Ionization energy
7.
FLASHCARD QUESTION
Front
What do families all have similar?
Back
chemical and physical properties
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