
Valence Electrons and Periodic Table Concepts
Flashcard
•
Biology
•
9th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What are valence electrons?
Back
Valence electrons are the electrons in the outermost shell of an atom that are involved in chemical bonding.
2.
FLASHCARD QUESTION
Front
How do you determine the number of valence electrons in an element?
Back
The number of valence electrons can be determined by the group number of the element in the periodic table.
3.
FLASHCARD QUESTION
Front
What is the significance of valence electrons in chemical reactions?
Back
Valence electrons determine how an element will react chemically with other elements.
4.
FLASHCARD QUESTION
Front
What is a chemical change?
Back
A chemical change is a process where substances combine or break apart to form new substances.
5.
FLASHCARD QUESTION
Front
What is a physical change?
Back
A physical change is a change that affects one or more physical properties of a substance without altering its chemical composition.
6.
FLASHCARD QUESTION
Front
What is a covalent bond?
Back
A covalent bond is a type of chemical bond where two atoms share one or more pairs of valence electrons.
7.
FLASHCARD QUESTION
Front
What is the formula for Carbon Tetraachloride?
Back
The formula for Carbon Tetraachloride is CCl4.
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