What are chemical properties?
Practice for Final Exam

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Chemistry
•
10th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
Chemical properties are characteristics of a substance that become evident during a chemical reaction. They describe the ability of a substance to undergo changes that transform it into different substances.
2.
FLASHCARD QUESTION
Front
What is a chemical change?
Back
A chemical change is a process where one or more substances are altered into one or more new and different substances. Examples include rusting, burning, and decomposition.
3.
FLASHCARD QUESTION
Front
What is the significance of valence electrons?
Back
Valence electrons are the electrons in the outermost shell of an atom. They determine how an element reacts chemically with other elements.
4.
FLASHCARD QUESTION
Front
What distinguishes metals from nonmetals?
Back
Metals are typically shiny, good conductors of heat and electricity, and malleable, while nonmetals are usually dull, poor conductors, and brittle.
5.
FLASHCARD QUESTION
Front
What is the periodic table?
Back
The periodic table is a tabular arrangement of chemical elements, organized by increasing atomic number, which shows periodic trends in properties.
6.
FLASHCARD QUESTION
Front
What are alkali metals?
Back
Alkali metals are the elements in group 1 of the periodic table. They are highly reactive and have one valence electron.
7.
FLASHCARD QUESTION
Front
What are noble gases?
Back
Noble gases are the elements in group 18 of the periodic table. They are characterized by their lack of reactivity due to having a full valence shell.
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