Atomic Structure

Flashcard
•
Science
•
7th Grade
•
Hard
Standards-aligned
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10 questions
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1.
FLASHCARD QUESTION
Front
What is the smallest unit of matter? It is composed of protons and neutrons, held together in the nucleus, and electrons around the nucleus in different electron orbitals, which form an electron cloud.
Back
atom
Tags
NGSS.MS-PS1-1
2.
FLASHCARD QUESTION
Front
What are any of the various self-contained units of matter or energy that are fundamental parts of all matter? These particles include electrons, protons, and neutrons.
Back
subatomic particles
Tags
NGSS.MS-PS1-1
3.
FLASHCARD QUESTION
Front
What is a subatomic particle with a positive charge that is in the nucleus of an atom?
Back
proton
4.
FLASHCARD QUESTION
Front
What is a subatomic particle without an electric charge, located in the nucleus of an atom?
Back
neutron
5.
FLASHCARD QUESTION
Front
What is a subatomic particle with a negative charge? It is found in the electron cloud surrounding the nucleus.
Back
electron
6.
FLASHCARD QUESTION
Front
What is the system of electrons surrounding the nucleus of an atom?
Back
electron cloud
7.
FLASHCARD QUESTION
Front
What is the center of an atom containing protons and neutrons?
Back
nucleus
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