What is an atom?
Atoms, Elements, Molecules, Compounds

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•
Science
•
7th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
The smallest unit of an element that retains the properties of that element.
2.
FLASHCARD QUESTION
Front
What is an element?
Back
A pure substance that cannot be broken down into simpler substances by chemical means.
3.
FLASHCARD QUESTION
Front
What is a molecule?
Back
A group of two or more atoms bonded together, representing the smallest fundamental unit of a chemical compound.
4.
FLASHCARD QUESTION
Front
What is a compound?
Back
A substance formed when two or more different elements are chemically bonded together.
5.
FLASHCARD QUESTION
Front
What are protons?
Back
Positively charged particles found in the nucleus of an atom.
6.
FLASHCARD QUESTION
Front
What are neutrons?
Back
Neutral particles found in the nucleus of an atom, contributing to its mass.
7.
FLASHCARD QUESTION
Front
What are electrons?
Back
Negatively charged particles that orbit the nucleus of an atom.
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