
CHS Semester 1 Science Challenge
Flashcard
•
Chemistry
•
9th Grade
•
Practice Problem
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is the primary function of valence electrons in chemical reactions?
Back
Valence electrons are involved in forming chemical bonds between atoms.
2.
FLASHCARD QUESTION
Front
Distinguish between chemical and physical properties.
Back
Chemical properties involve the ability of a substance to undergo a chemical change, while physical properties involve characteristics like color, density, and melting point.
3.
FLASHCARD QUESTION
Front
What type of bond involves the sharing of electron pairs between atoms?
Back
Covalent bond.
4.
FLASHCARD QUESTION
Front
The average kinetic energy of the particles of a substance is...
Back
Temperature.
5.
FLASHCARD QUESTION
Front
What role do electrons play in chemical bonding?
Back
Electrons in the outer shell are shared or transferred during the formation of chemical bonds.
6.
FLASHCARD QUESTION
Front
Define valence electrons.
Back
Valence electrons are the electrons in the outermost shell of an atom that are involved in chemical bonding.
7.
FLASHCARD QUESTION
Front
What is a chemical change?
Back
A chemical change is a process where one or more substances are transformed into different substances with distinct properties.
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