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Flashcards on Atomic Structure: Subatomic Particles
Click on the flashcard to see the answer
What are subatomic particles?
Subatomic particles are the particles that make up atoms.
What is the charge of a proton?
A proton has a positive charge.
What is the charge of an electron?
An electron has a negative charge.
What is the charge of a neutron?
A neutron has no charge.
What is the mass of a proton?
The mass of a proton is approximately 1 atomic mass unit (AMU).
What is the mass of an electron?
The mass of an electron is approximately 1/1836 AMU.
What is the mass of a neutron?
The mass of a neutron is approximately 1 AMU.
Where are protons located in an atom?
Protons are located in the nucleus of an atom.
Where are electrons located in an atom?
Electrons are located in energy levels or shells surrounding the nucleus of an atom.
Where are neutrons located in an atom?
Neutrons are located in the nucleus of an atom, along with protons.
What is the atomic number of an atom?
The atomic number of an atom is the number of protons in its nucleus.
What is the mass number of an atom?
The mass number of an atom is the sum of its protons and neutrons.
What is an isotope?
An isotope is an atom of the same element with a different number of neutrons.
What is the symbol for a proton?
The symbol for a proton is p+.
What is the symbol for an electron?
The symbol for an electron is e-.
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Test Your Knowledge
Which subatomic particle has a positive charge?
Neutron
Proton
Electron
None of the above
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Which subatomic particle has a negative charge?
Neutron
Proton
Electron
None of the above
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Which subatomic particle has no charge?
Neutron
Proton
Electron
None of the above
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Where are protons located in an atom?
Nucleus
Energy levels
Electron cloud
None of the above
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Where are electrons located in an atom?
Nucleus
Energy levels
Electron cloud
None of the above
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Where are neutrons located in an atom?
Nucleus
Energy levels
Electron cloud
None of the above
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What is the atomic number of an atom?
Number of electrons
Number of protons
Number of neutrons
None of the above
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What is the mass number of an atom?
Number of protons + Number of neutrons
Number of protons - Number of electrons
Number of electrons + Number of neutrons
None of the above
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What is an isotope?
An atom with a different number of protons
An atom with a different number of electrons
An atom with a different number of neutrons
None of the above
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What is the symbol for an electron?
p+
e-
n
None of the above
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