객관식
In a simplified model of the atom, which subatomic particles account for most of the atom's mass?
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4. Atoms and Elements
Subatomic Particles (Simplified)
Multiple Choice
In the simplified model of subatomic particles, what is the electric charge of a proton?
A
(negative)
B
(positive)
C
(positive)
D
(neutral)
검증된 단계별 안내1
Recall that subatomic particles include protons, neutrons, and electrons, each with characteristic electric charges.
Understand that the proton is a positively charged particle found in the nucleus of an atom.
Remember the standard charge values: electrons have a charge of -1, protons have a charge of +1, and neutrons have no charge (0).
Identify that the question asks specifically for the electric charge of a proton, which is known to be positive.
Conclude that the electric charge of a proton is +1 in the simplified model of subatomic particles.
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