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Quiz 1 (210)
Terms in this set (32)
what property do all forms of electromagnetic radiation have in common?
the chemical composition or combining ability of an element is the?
electromagnetic energy produced by?
the acceleration of a charge
x-rays are man-made form of ____ energy?
time is the measurement of the vibrations of _____ atoms?
the number of nuclear protons in an atoms is known as the ______, and is how elements are classified on the periodic table?
what is the measurement unit of length?
name the three basic atomic particles?
electrons, protons, and neutrons
what is the principle characteristic of matter?
which type of tube support system uses two perpendicular sets of ceiling mounted rails to allow for both longitudinal and transverse travel of the x-ray tube?
overhead 3-D tubecrane suspension
when high frequency radiation interacts with matter they behave like a particle. these small bundles of energy area called?
what do the elements in a common horizontal period on the periodic table have in common?
same number of electron shells
name the 12 x-rays properties discovered by Wilhelm Roentgen?
1. highly penetrating
2. electrically neutral
3. produced over wide variety of energies and wavelengths
4. release heat
5. travel in straight line
6. travel at speed of light
7. can ionize matter
8. cause fluorescence
9. cannot be focused by a lens
10. affect photographic film
11. produce chemical and biological changes in matter
12. produce secondary and scattered radiation
what is the general term used to describe the substance which comprises all physical objects?
____ is the process of removing an electron from an atom or molecule causing the particle to become electrically charged?
what is the difference between mass and weight?
weight can change, mass cannot
list the three fundamental units
length, mass, and time
what is the smallest particle of a compound that has the same properties of the compound?
in wave theory, the number of waves that pass a point in a given time frame is the?
water and salt are examples of substances that can be broken down farther, these types of substances are known as _____ substances?
the quantity adopted as a standard measurement by which other quantities of the same kind is measures is a?
what states that matter and energy cannot be created or destroyed, but can be converted from one form to another?
-einstein's theory of relativity
what is the term for a material that has a definite and constant composition?
what is the amount or quantity of matter?
who expanded the model of atoms to create the current atomic model that resembles a solar system with electrons around a nucleus?
____ energy is the result of the movement of electrons or electrical charges?
the type of energy that is the result of the motion of atoms and molecules is ____ energy?
heat or thermal energy
which type of tube support system uses a c-shaped arm to support the tube and image receptor?
c-arm tube suspension system
what type of energy is defined as the energy that an object has because of its position?
what are the two types of equipment found in imaging sciences?
diagnostic and therapeutic
two elements that share an electron in the outermost shell have a _____?
when energy is transferred through matter, it is considered_____?
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