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Atomic Models and Subatomic Particles
Worksheet
Grade Level
Physical Science with Earth and Science
9.21 Atomic Models and Subatomic Particles
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Which set of roles is accurate for the main subatomic particles in an atomic model?
A
Protons and electrons stay in the nucleus, while neutrons form the cloud
B
Protons are neutral, neutrons are negative, and electrons are positive
C
Protons occupy the cloud, neutrons set charge, and electrons add most mass
D
Protons set atomic number, neutrons add nuclear mass, and electrons occupy the cloud
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