
Physical Science Mid-Term Review Part B
Flashcard
•
Science
•
8th Grade
•
Practice Problem
•
Hard
Wayground Content
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a chemical property?
Back
A characteristic of a substance that can only be observed during a chemical reaction, such as flammability.
2.
FLASHCARD QUESTION
Front
What is flammability?
Back
The ability of a substance to catch fire and burn.
3.
FLASHCARD QUESTION
Front
What is a chemical change?
Back
A process where one or more substances are transformed into different substances, such as iron rusting.
4.
FLASHCARD QUESTION
Front
What is iron rusting?
Back
A chemical change that occurs when iron reacts with oxygen and moisture to form iron oxide.
5.
FLASHCARD QUESTION
Front
What are noble gases?
Back
Elements in Group 18 of the periodic table that have full outer electron rings, making them stable and unreactive.
6.
FLASHCARD QUESTION
Front
What is the significance of full outer electron rings?
Back
Atoms with full outer electron rings are generally stable and do not readily react with other elements.
7.
FLASHCARD QUESTION
Front
What is alpha decay?
Back
A type of nuclear decay in which an atomic nucleus emits 2 protons and 2 neutrons, resulting in a new element.
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