RADT 1065 Chapter 2 Exam Questions and Answer with A 100% Guaranteed Pass
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Course
RADT 1065
Institution
RADT 1065
RADT 1065 Chapter 2 Exam Questions and Answer with A 100% Guaranteed Pass
What metals are used as targets in an x-ray tube? - Answer Tungsten (W) and Molybdenum (Mo)
What elements are used as radiographic and fluoroscopic contrast agents? - Answer Barium (Ba) and Iodine (I)
How much energ...
RADT 1065 Chapter 2 Exam Questions
and Answer with A 100% Guaranteed
Pass
What metals are used as targets in an x-ray tube? - Answer ✔ Tungsten (W) and
Molybdenum (Mo)
What elements are used as radiographic and fluoroscopic contrast agents? - Answer ✔
Barium (Ba) and Iodine (I)
How much energy is required to ionize Tungsten through removal of a K-shell electron?
- Answer ✔ The minimum energy must equal E>b or 69 keV (With less than that the
atom cannot be ionized by removal of k-shell electron)
What element is important in human tissue? - Answer ✔ Carbon (C)
AS with other tissue atoms, the E>b for the outer shell electrons is only approximately? -
Answer ✔ 10 eV
How much energy is necessary to ionize tissue atoms? - Answer ✔ 34 eV
What level of energy causes multiple electron excitations, which ultimately result in
heat? - Answer ✔ 24 eV
The value of 34 eV is called the what? - Answer ✔ Ionization Potential
The concept of ionization potential is important to the description of? - Answer ✔ Linear
Energy Transfer (LET)
An element is indicated by an alphabetical abbreviations which are called what? -
Answer ✔ Chemical symbols
The chemical properties of an element are determined by the number and arrangement
of what? - Answer ✔ electrons
In a neutral atom, the number of electrons equals the numbers of what? - Answer ✔
protons
The number of protons is called what? What is its symbol? - Answer ✔ Atomic number
(Z)
, The number of protons plus neutrons in the nucleus of an atom is called what? what is
its symbol? - Answer ✔ Atomic Mass Number (A)
What number is always a whole number? - Answer ✔ The atomic mass number (A)
The atomic mass number and the precise mass of an atom are (equal or not equal)? -
Answer ✔ not equal
What makes up atomics mass number? A = ? + ? - Answer ✔ the number of nucleons
(protons and neutrons) in the atom
The actual atomic mass of an atom is determined by what? - Answer ✔ measurement
(rarely is a whole number)
Atoms that have the same atomic number but different atomic mass numbers - Answer
✔ IsotoPes
Atomic nuclei that have the same atomic mass number but different atomic numbers -
Answer ✔ IsobArs
Atoms that have the same number of neutrons but different number of protons - Answer
✔ IsotoNes
Have the same atomic number and the same atomic mass number - Answer ✔ Isomer
(I"same"r)
Atomic Number for Molybdenum (Mo) - Answer ✔ 42
The smallest particle that has all the properties of an element is known as an? - Answer
✔ Atom
As shown in the periodic table, all elements are arranged into how many groups? -
Answer ✔ 8
The structure of the atomic nucleus is slowly being mapped and identified with the
development of? - Answer ✔ high-energy particle accelerators
What are nucelons? - Answer ✔ protons and neutrons
What are composed of quarks that are held together by gluons? - Answer ✔ Nucleons
The fundamental particles of an atom are? - Answer ✔ Protons, neutrons, and electrons
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