Multiple Choice
In a simplified model of subatomic particles, what electric charge does a proton have?
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4. Atoms and Elements
Subatomic Particles (Simplified)
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In the simplified atomic model, what is the approximate mass of one neutron?
A
About (the mass of an electron)
B
About (approximately amu)
C
About (approximately amu)
D
About (approximately amu)
Verified step by step guidance1
Understand that the problem asks for the approximate mass of one neutron in the simplified atomic model, which is a fundamental particle in the nucleus of an atom.
Recall that the mass of a neutron is close to 1 atomic mass unit (amu), which is a standard unit used to express atomic and molecular masses.
Note that 1 amu is approximately equal to \$1 \times 10^{-24}$ grams, which provides a useful scale for comparing the masses of subatomic particles.
Compare the given options by their order of magnitude in grams and their relation to the atomic mass unit to identify which value aligns with the known mass of a neutron.
Conclude that the neutron's mass is about \$1 \times 10^{-24}$ grams, which corresponds to approximately 1 amu, distinguishing it from the much smaller mass of an electron or other incorrect options.
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