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| The quantity of matter is... |
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| The unit of distance measured in meters (m) is.... |
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| The unit in Radiology that = Radiation in Air is... |
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| coulombs per kilogram (C/kg) |
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| The measurement for absorbed dose formerly known as 'rad' is.... |
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| The unit for dose equivalent and formerly known as 'rem' (radiation equivalent man) is now called.... |
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| Physics is a branch of which category of science? |
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| Physics studies the relationship between what two things? |
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| Energy is measured in what unit name? |
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True or False:
Weight and Mass are the same |
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Einstein's formula for the relationship between matter and energy where,
E = energy
M = mass
C = constant (the speed of light in a vacuum) |
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| What does Einstein's theory of relativity state....? |
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| "The sum total of all mass and energy in the universe is constant: matter and energy cannot be created or destroyed, but can be converted from one form to another." |
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| Tongston - name the Periodic Symbol and # of Protons |
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| What contains the protons and neutrons of an atom? |
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| Are electrons positively or negatively charged? |
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True or False
Protons are negatively charged |
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False
They are positively charged |
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| What name is given to an atom that has lost or gained a neutron, that differs from the number of protons? |
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| What is the mathematical formula for Orbital electrons? |
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| Atoms with 8 electrons in their outer shell are considered inert and chemically stable. What is the name of the rule that states this? |
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| If an atom has less than 4 electrons in its outer shell, what does it do? |
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| Gives them away to another atom |
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| If an atom has more than 4 electrons in its outer shell, what does it do? |
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| It takes more from another atom |
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True or False
The closer electrons are to the nucleus the tighter the binding energy |
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| How many kev's are there in 1ev? |
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| What is the name of the electrons in the outer-most shell that determine capability of combining with other atoms to form compounds? |
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| Name the type of energy that an object possesses because of its position. |
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| What is the specific name of energy that is in motion? |
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| This type of energy results from the movement of electrons (electrical charges). |
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| List a type of Electrical energy. |
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Electricity
The study of resting or moving electrical charges. |
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| What type of energy can behave as both a wave and a particle? |
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| Electromagnetic energy (em) |
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| Are Frequency and Wavelength inversely or directly proportional? |
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| Frequency and Wavelength are inversely proportional. |
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| Are photon energy and frequency inversely or directly proportional? |
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Photon energy and Frequency are directly proportional
(if kVp increases, frequency increases) |
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| Power is expressed in what unit. |
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| Electricity is measured in what unit? |
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| How many electrons does an neutral atom have when it contains 8 protons? |
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| If an element has a valence of +1, how many electrons are in its outer-most shell? |
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| If an element has a valence of -1, what does this mean? |
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| There are only 7 electrons in the outer-most shell, being short 1 electron. |
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| Describe Radiologic Physics. |
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| The study of x-ray energy and its interaction with specific types of matter, such as living tissue and image receptors. |
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| What is the term used for 1 or more substances that are combined? |
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| A(n) ________ cannot be broken down by ordinary means. |
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| What is the term for a specific combination of 2 or more elements? |
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Compound
e.g. NaCl or H2O |
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| What is the name for the smallest part of a compound that retains the properties of the compound? |
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| What is the smallest part of an element? |
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| List the four (4) fundamental forces in Physics. |
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Strong nuclear force
Weak nuclear force
Electromagnetism
Gravity |
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| The term Atomic Number is also known as.... |
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| The process whereby electrons are removed from an atom is termed.... |
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| Eb is an abbreviation for.... |
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| What is the term for energy that is emitted and transferred through matter? |
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| Atomic and molecular bonding is weakest in the form of a gas or solid? |
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| Atomic and molecular bonding is strongest the form of a gas or solid? |
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| Eb is also expressed in what term? |
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| The 12 statements that Rontgen determined about x-rays, #'s 1-4: |
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1. Penetrating and invisible form of EM radiation
2. Electrically neutral
3. Polyenergetic or heterogenous energies
4. Release heat when passing through matter |
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| The 12 statements that Rontgen determined about x-rays, #'s 5-8: |
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1. Travel in straight lines
2. Travel at the speed of light
3. Can ionize matter
4. Cause fluorescence in certain crystals
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| The 12 statements that Rontgen determined about x-rays, #'s 9 - 12: |
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1. Cannot be focused by a lens
2. Affect photographic film
3. Produce chemical and biological changes in matter through ionization and excitation
4. Produce secondary and scatter radiation
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