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| Mass Defect |
Sum of atomic weight and individual nucleons. |
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noypi69 Wed, 19 Nov 2008 00:05:00 GMT |
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| Isotopes |
Two or more nuclides with the same atomic number, different mass number, always belong to same chemical elements |
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| Isomers |
two or more nuclides with same atomic number, same mass numbers. Different value of energy content. Always belong to same element |
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| Isotones |
Tow or more nuclides with different atomic numbers, SAME number of neutrons, always belong to different elements |
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| Isobars |
Two or more nuclides with the SAME MASS NUMBER, DIFFERENT ATOMIC NUMBER, always belong to different elements. |
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| BOHRS Basic concept of a atom and its make-up |
An atoms make up is similar to that of the Solar System |
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| Nuclide |
Atomic nucleus specified by its atomic number, atomic mass, and energy state |
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| Electron |
Negatively charged subatomic particle with approx mass of 9.11 X 10 E 37kg |
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| Neutrons |
Electrically neutral subatomic particle with approx mass of 1.675 X 10 E-27kg |
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| Protons |
Positively charged subatomic particle with approx mass of 1.673 X 10 E-27kg |
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| Nucleons |
Particles that make up the nucleus of an atom |
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| Nucleus |
Positively charged central region of an atom made up of protons and neutrons, and containing most the mass of an atom |
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| Atom |
Smallest fragment of a particular element that is still recognizable as such |
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| Rest Energy |
Energy and object has by virtue of its mass alone |
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| Kinetic Energy |
From of energy associated with motion of a body |
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| Potential Energy |
Stored or reserved energy |
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| Momentum |
Force which a moving body has because of it's mass and motion |
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| Energy |
Property something has which enables it to do work |
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| Power |
Time rate at which work is done by a force |
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| Work |
Measure of the amount of change that a force produces when it acts on a body |
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| Weight |
Effect that gravity has on mass of a body. Weight is there fore a force. |
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| Mass |
Describes the inertial property of bodies and is defined as the quantity measure's of inertia |
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| Centrifugal force |
The reaction force that provides an outward pull on the axis |
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| Centripetal Force |
The inward force that must be applied to keep a body moving in a circle (towards the center of the circle)
(described by newtons third law) |
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| Centripetal Acceleration |
Acceleration directed toward the center axis or curved path and arises from continually changing direction of a body about the axis |
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| Three types of Accelerations |
Speed Increase
Speed Decrease
Change in direction of the body |
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| Acceleration |
Rate of change in velocity |
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| Velocity |
Quanity describes both how fast and what direction a body is moving |
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