객관식
Which of the following subatomic particles has the smallest mass?
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2. Atoms & Elements
Subatomic Particles
객관식
Which of the following statements about subatomic particles is true?
A
Neutrons are found only outside the nucleus of an atom.
B
Protons and neutrons have approximately the same mass, but electrons are much less massive.
C
Electrons have a positive charge, while protons and neutrons are neutral.
D
Protons and electrons have identical masses.
검증된 단계별 안내1
Recall the basic properties of subatomic particles: protons, neutrons, and electrons.
Understand the location of each particle: protons and neutrons are located in the nucleus, while electrons are found outside the nucleus.
Compare the masses of the particles: protons and neutrons have similar masses, which are much greater than the mass of an electron.
Review the charges of the particles: protons have a positive charge, electrons have a negative charge, and neutrons are neutral.
Use this information to evaluate each statement and identify the one that correctly describes the properties of subatomic particles.
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