What is the trend in atomic radius as you move down a group in the periodic table?
Periodic Trends

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Chemistry
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9th - 10th Grade
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Hard
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1.
FLASHCARD QUESTION
Front
Back
The atomic radius increases as you move down a group due to the addition of electron shells.
2.
FLASHCARD QUESTION
Front
What is the trend in atomic radius as you move across a period in the periodic table?
Back
The atomic radius decreases as you move across a period from left to right due to increased nuclear charge pulling electrons closer.
3.
FLASHCARD QUESTION
Front
What is ionization energy?
Back
Ionization energy is the amount of energy required to remove an electron from an atom.
4.
FLASHCARD QUESTION
Front
How does ionization energy change as you move down a group in the periodic table?
Back
Ionization energy decreases as you move down a group because the outer electrons are further from the nucleus and are held less tightly.
5.
FLASHCARD QUESTION
Front
How does ionization energy change as you move across a period in the periodic table?
Back
Ionization energy increases as you move across a period from left to right due to increased nuclear charge.
6.
FLASHCARD QUESTION
Front
What is electronegativity?
Back
Electronegativity is a measure of the tendency of an atom to attract a bonding pair of electrons.
7.
FLASHCARD QUESTION
Front
How does electronegativity change as you move down a group in the periodic table?
Back
Electronegativity decreases as you move down a group because the increased distance between the nucleus and bonding electrons reduces the attraction.
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