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15 terms

Rad 113 Ch 4 part 1

STUDY
PLAY
intensifying screens
plates coated with flourescent crystals
electrons
fundemental particles that compose atoms
mass
the quality of matter that makes up any physical object
atoms
all matter is composed if these "building blocks"
element
a substance made up of only one type of atom
frequency
the # of times the crest of a wave passes a given point
ampere (A)
used to measure the rate of current flow in a circuit. Equals an electrical charge of 1 coulomb folowing through the conductor each second
Kilovolt Peak (kVp)
used to measure the potential difference across an x-ray tube. Equal to 1000 volts
Ionization
When a neutral atom gains or loses an electron, the electrical charge of its protons and electrons are no longer equal
chemical compound
a substance that consists of only one type of molecule
current
the flow of electrical charges
circuit
when there is a difference in electrical charge
binding energy
energy that holds electrons in its shell
conductor
metal that creates electrical charges
electromagnetic energy
light, x-rays, radio waves, microwaves and other forms of energy