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15 Cards in this Set
- Front
- Back
Indirect Evidence
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Is when you can't see or touch or use any of the five senses
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Direct Evidence
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When you can use your five sentences to determine a model
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Proton
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Subatomic particle tha has a positive charge and is found in the nucleus of an atom
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Neutrons
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Subatomic particle with no electric charge that is found in the nucleus of an atom
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Electrons
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Negatively charged subatomic particle found in an area outside the nucleus of an atom
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Atomic Number
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number of protons in nucleus of an atom
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Isotope
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atom of an element that has the same number of protons as another atom of the same element but different number of neutrons
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Mass Number
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sum of the protons and neutrons in the nucleus of an atom
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Atomic Mass
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Average of the masses of the existing isotopes of an element
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Quarks
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Particle that makes up all other known particles in the nuvleus of an atom
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Strong Force
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Force that binds protons and neutrons in the nucleus
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Weak Force
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Force that is the key to the power of the sun; responsible for a process known as radioactive decay
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Gravity
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Force of attraction between all objects in the universe
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Electromagnectic Force
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Force of attraction or repulsion between particles in an atom
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Atomos
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Greek( came up with atom)
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