
Unit 5 Chemical Bonding Review
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others
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9th Grade
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Practice Problem
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Hard
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25 questions
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1.
FLASHCARD QUESTION
Front
The chemical bond formed when 2 atoms share electrons is called ?
Back
Covalent Bond
2.
FLASHCARD QUESTION
Front
Which is the reason why atoms of sodium and chlorine attract each other?
Back
Sodium has a positive charge and Chlorine has a negative charge
3.
FLASHCARD QUESTION
Front
Which of the following is a similarity between ionic and covalent bonding? Both include the gaining and losing of electrons, Both include sharing of electrons, Both make the elements more stable, Both are typically found as solids at room temperature
Back
Both make the elements more stable
4.
FLASHCARD QUESTION
Front
__________ bonds are usually the strongest.
Back
Covalent
5.
FLASHCARD QUESTION
Front
Which of the following is an example of a molecule? H2O, NaF, Mg3N2, All of these answers are molecules
Back
H2O
6.
FLASHCARD QUESTION
Front
How many electrons are needed in the outer energy level for most atoms for the atom to be chemically stable? Options: 2, 4, 6, 8
Back
8
7.
FLASHCARD QUESTION
Front
The electrons that are lost, gained, or shared in chemical bonds are called ?
Back
Valence Electrons
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