

octet rule, ions, ox numbers,
Flashcard
•
Chemistry
•
7th - 12th Grade
•
Practice Problem
•
Hard
Wayground Content
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15 questions
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1.
FLASHCARD QUESTION
Front
What is the octet rule?
Back
The octet rule states that atoms tend to gain, lose, or share electrons in order to have a full set of eight valence electrons, achieving a stable electron configuration.
2.
FLASHCARD QUESTION
Front
How many valence electrons does Aluminum have?
Back
Aluminum has 3 valence electrons.
3.
FLASHCARD QUESTION
Front
What charge does Aluminum have after it loses electrons to form an octet?
Back
Aluminum has a +3 charge after losing 3 electrons.
4.
FLASHCARD QUESTION
Front
Why do alkali metals behave similarly?
Back
Alkali metals behave similarly because they all want to get rid of 1 electron to achieve a stable electron configuration.
5.
FLASHCARD QUESTION
Front
What are cations?
Back
Cations are positively charged ions that are formed when an atom loses one or more electrons.
6.
FLASHCARD QUESTION
Front
What happens to oxygen when it gains two electrons?
Back
When oxygen gains two electrons, it achieves a stable electron configuration similar to that of Neon.
7.
FLASHCARD QUESTION
Front
Which element loses 1 electron to attain an octet?
Back
Potassium loses 1 electron to attain an octet.
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