Valence Electron Practice
Flashcard
•
Science
•
7th Grade
•
Practice Problem
•
Hard
Wayground Content
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15 questions
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1.
FLASHCARD QUESTION
Front
What ion does Magnesium form?
Back
Mg+2, loses 2 electrons, it has 2 more protons than electrons.
2.
FLASHCARD QUESTION
Front
What is the charge on a sodium ion (Na) after it loses one electron?
Back
+1
3.
FLASHCARD QUESTION
Front
How many electrons does Al (Aluminum) want to gain or lose to complete the octet rule?
Back
It wants to lose 3 electrons.
4.
FLASHCARD QUESTION
Front
How many valence electrons do atoms want to be stable?
Back
8
5.
FLASHCARD QUESTION
Front
What is the best definition of valence electrons?
Back
The outermost electrons involved in chemical reactions.
6.
FLASHCARD QUESTION
Front
What are valence electrons?
Back
Electrons in the outermost shell of an atom that can participate in chemical bonding.
7.
FLASHCARD QUESTION
Front
Why do atoms form ions?
Back
To achieve a stable electron configuration, often by gaining or losing valence electrons.
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