
Chemistry Concepts
Flashcard
•
Chemistry
•
KG
•
Practice Problem
•
Hard
Robyn Demilio
FREE Resource
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71 questions
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1.
FLASHCARD QUESTION
Front
What is the octet rule?
Back
A general rule that atoms tend to form bonds so that each atom has eight electrons in its valence shell.
2.
FLASHCARD QUESTION
Front
How do atoms in Groups 1 and 2 achieve an octet?
Back
They form cations with 1+ and 2+ charges when they lose electrons to get an octet.
3.
FLASHCARD QUESTION
Front
How do atoms in Groups 15-17 achieve an octet?
Back
They tend to gain electrons to form anions with a charge of 3-, 2-, or 1- to have an electron configuration of the noble gas in the same period.
4.
FLASHCARD QUESTION
Front
What is an ionic bond?
Back
An electrostatic attraction that holds oppositely charged ions together.
5.
FLASHCARD QUESTION
Front
What is an ionic compound?
Back
An electrically neutral compound made of cations and anions.
6.
FLASHCARD QUESTION
Front
What is a crystal lattice?
Back
An orderly, repeating, three-dimensional pattern of many ions, atoms, or molecules.
7.
FLASHCARD QUESTION
Front
What does Coulomb's Law state about bond strength?
Back
The strength of the bonds increases as the charge on the ions increases and decreases as the distance between the ions increases.
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