XI. Modern Physics
a) On the atomic level, energy is emitted or absorbed in discrete
packets called _____.
b) The energy of a photon is proportional to its
On the atomic level, energy and matter exhibit the
characteristics of both _____ and particles.
Atomic particles are composed of subnuclear particles.
Protons and neutrons are made up of smaller particles called ____.
4. Each elementary particle has a corresponding
____. (opposite charge)
5. The fundamental source of all energy in the universe is the conversion of
____ into energy.
Baryons are made of ______
- no charge and less mass than an electron (travel close to the
speed of _____ )
combination of quarks could produce a neutral baryon? (1) cdt
(2) cts (3) cdb (4)
11. Find the charge on each baryon:
(a) udd (b) —u—ud (c) —udd