Nuclear Physics - Part 1 Flashcards
Isotopes of the same element have the same chemical properties but they have great differences in _______
Nuclear stability
For stable isotopes of light elements, the number of neutrons will be ________ to the number of protons
almost equal
What isotope of carbon is radioactive?
Carbon-14
What are the 3 general types of elementary particles?
Quarks, leptons, bosons
What are the six quarks?
up, down, charm, strange, top, bottom
What are the six leptons?
electron, muon, tau, electron neutrino, muon neutrino, tau neutrino
What are the bosons?
two different weak forces (different masses), gluon, photon, now the higgs
the bosons are _______
force carriers
Protons are made up of what three quarks?
Two ups, one down
Neutrons are made up of what quarks?
two downs, one up
What charge does the up quark have?
+2/3
What charge does the down quark have?
- 1/3
What two forces oppose each other in the nucleus?
electromagnetic force, nuclear (strong) force
What is the strongest force?
the nuclear strong force
What’s the circumference of the LHC?
27km
how fast does the LHC speed electrons to?
99.999999% the speed of light
what is the mass of a photon?
0
what’s the mass of a gluon?
0
