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LRA 211 Questions and Correct Answers
What is produced at the atomic level? Ans: X-rays
Who based the structure of an atom off the solar system? Ans:
Ernest Rutherford
Who believed atoms had 3 fundamental particles? Ans: Niels Bohr
Fundamental particles of an atom Ans: electron, proton, neutron
What does a nucleus consist of? Ans: protons and neutrons
Charges of subatomic particles Ans: Proton:+ , Electron:- ,
Neutron: neutral
How is the nucleus held together? Ans: strong nuclear force
creating a Binding Energy
Electron binding energy depends on what? Ans: how close it is to
the nucleus AND how many protons in the atom
Two types of atomic interactions in the x-ray tube Ans:
characteristic and bremsstrahlung
Characteristic Interaction Ans: An electron gets ejected, another
electron takes its place
© 2025 All rights reserved
LRA 211 Questions and Correct Answers
What is produced at the atomic level? Ans: X-rays
Who based the structure of an atom off the solar system? Ans:
Ernest Rutherford
Who believed atoms had 3 fundamental particles? Ans: Niels Bohr
Fundamental particles of an atom Ans: electron, proton, neutron
What does a nucleus consist of? Ans: protons and neutrons
Charges of subatomic particles Ans: Proton:+ , Electron:- ,
Neutron: neutral
How is the nucleus held together? Ans: strong nuclear force
creating a Binding Energy
Electron binding energy depends on what? Ans: how close it is to
the nucleus AND how many protons in the atom
Two types of atomic interactions in the x-ray tube Ans:
characteristic and bremsstrahlung
Characteristic Interaction Ans: An electron gets ejected, another
electron takes its place
© 2025 All rights reserved
