RTPROCH PRELIM Flashcards
Building blocks of the radiographer; the basic component and smallest unit of matter
Atom
Parts of an atom
Nucleus and Orbit/Shell
Part of an atom that is the central core and positively charged
Nucleus
What does the nucleus contain
Nucleons
What contains in the nucleons
Protons and Neutrons
What are the 3 subatomic particles
Protons, Neutrons, Electrons
Lightest particle
Electron
Who discovered electrons and what year
John Joseph Thomson 1897
It is positively charged
Proton
Who discovered protons and what year
Ernest Rutherford 1911
It is the heaviest particle
Neutron
What is the charge of the neutron
Neutrally charged
Who discovered neutron and what year
James chadwick 1932
2 Forces acting on electron
Centrifugal and Centripetal
Outward force pushing electrons away from the center
Centrifugal force
Force that keeps electron to its orbit
Centripetal
Other name for centripetal
Electrostatic force
2 Forces acting on nucleus
Repulsive force
Nuclear Binding Force
Force occuring between protons
Repulsive force
Force holding an atomic nucleus together due to neutrons
Nuclear Binding Force
Energy possessed by electrons in their orbits allowing strength of attachment
Electron Binding force
He created the hook & eye model
John Dalton
Developed the 1st periodic table of elements
Dmitri Mendeleev
