8th Science Vocabulary

Flashcard
•
Science
•
8th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
What is the atomic number?
Back
The atomic number is the number of a chemical element in the periodic system and on the periodic table that equals the number of protons in the nucleus of the atom.
2.
FLASHCARD QUESTION
Front
What is a heterogeneous mixture?
Back
A heterogeneous mixture is a combination of multiple substances where the composition is not uniform throughout, meaning the individual components remain visibly separate and distinct from one another.
3.
FLASHCARD QUESTION
Front
What is a proton?
Back
A proton is a subatomic particle with a positive electrical charge that resides within the nucleus of every atom.
4.
FLASHCARD QUESTION
Front
What is an atom?
Back
An atom is the smallest part of a substance that cannot be broken down chemically.
5.
FLASHCARD QUESTION
Front
What are products in a chemical reaction?
Back
Products are the substances that are formed at the end of a chemical reaction.
6.
FLASHCARD QUESTION
Front
What is a compound?
Back
A compound is a substance formed when two or more elements are chemically bonded together.
7.
FLASHCARD QUESTION
Front
What is a molecule?
Back
A molecule is the smallest unit of a chemical compound that retains its chemical properties, consisting of two or more atoms bonded together.
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