What is the atomic radius?
PERIODICITY Review Honors

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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 is the distance from the nucleus of an atom to the outermost shell of electrons.
2.
FLASHCARD QUESTION
Front
Which element has the smallest atomic radius: Sulfur, Chlorine, Aluminum, Sodium?
Back
Chlorine has the smallest atomic radius among these elements.
3.
FLASHCARD QUESTION
Front
What are metals?
Back
Metals are elements that are shiny, conduct electricity and heat, and are malleable and ductile.
4.
FLASHCARD QUESTION
Front
What is electronegativity?
Back
Electronegativity is a measure of how good an atom is at attracting electrons.
5.
FLASHCARD QUESTION
Front
What is the trend of atomic radius in a group of the periodic table?
Back
Atomic radius increases down a group due to the addition of energy levels.
6.
FLASHCARD QUESTION
Front
What is the trend of atomic radius across a period in the periodic table?
Back
Atomic radius decreases across a period from left to right due to increased nuclear charge.
7.
FLASHCARD QUESTION
Front
What are alkali metals?
Back
Alkali metals are the elements in Group 1 of the periodic table, known for being highly reactive.
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