What makes an atom stable?
Atomic Radius & Bonding

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•
Chemistry
•
9th - 12th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
An atom is stable when its valence shell is filled with electrons.
2.
FLASHCARD QUESTION
Front
Which element has 4 energy levels and 1 valence electron in its fourth energy level?
Back
Potassium.
3.
FLASHCARD QUESTION
Front
How do alkali metals behave in terms of reactivity?
Back
Alkali metals are highly reactive since they lose 1 electron easily to form ions.
4.
FLASHCARD QUESTION
Front
What is not considered a periodic trend?
Back
The number of elements in a group.
5.
FLASHCARD QUESTION
Front
Why do atoms get larger as you move down the periodic table?
Back
Atoms get larger because they have more energy levels.
6.
FLASHCARD QUESTION
Front
Define atomic radius.
Back
Atomic radius is the distance from the nucleus of an atom to the outermost shell of electrons.
7.
FLASHCARD QUESTION
Front
What is the trend of atomic radius across a period?
Back
The atomic radius decreases across a period from left to right.
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