Term
| Who utilized the oil drop experiment? |
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Definition
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| Who came up with the cathode ray tube? |
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Definition
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| Who determined that there are positive and negative charges? |
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Definition
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Term
| What are the principles of chemical behavior? |
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Definition
*Law of conservation of matter
*Law of constant composition |
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Term
| Excess negative charge is discharged a ________. |
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Definition
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Term
| Which scientist determined that elements are composed of atoms? |
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Definition
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Term
| Who determined that opposites attract and likes repel? |
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Definition
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Term
| a given __________ always hasthe same relative ______ and kind of ________. |
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Definition
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Term
| Who said that atoms contain particles that contain an electrical charge? |
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Definition
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Term
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Definition
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| This scientist came up with the charge to mass ratio of an electron. |
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Definition
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Term
| A ________ always contains the same ______________ in the same ___________ by mass. |
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Definition
*compound
*elements
*proportions |
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Term
| Robert millikan determined..... |
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Definition
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Term
| J.J Thompsons cahtode ray proved that ________________ |
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Definition
| a magnet can deflect a ray. |
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Term
| Who determined the mass of an electron? |
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Definition
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Term
| Who used the plum pudding model? |
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Definition
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Term
| Which element displays radioactivity? |
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Definition
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Term
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Definition
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Term
| which rays are high speed electrons? |
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Definition
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Term
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Definition
| The spontaneous emission of radiation from an ATOM. |
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Term
| What kind of charge do cathode ray prticles have? |
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Definition
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Term
| What is the atomic theory of matter? |
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Definition
| That elements are made up of atoms. |
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Term
| What is the atomic theory of matter? |
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Definition
| That elements are made up of atoms. |
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Term
| Dalton stated that ____________________. |
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Definition
| All atoms of an ELEMENT are identical, but different from atoms i nother elements. |
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Term
| All elements are compared to which isotope? |
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Definition
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Term
| Which scientist stated that every element has aunique atomic number? |
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Definition
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Term
| What happens to the chemical properties of an element as it gives off radiation, and who discovered this? |
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Definition
*Henri Becquerel
*It changes |
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Term
| Who utilized the gold foil/alpha scattering experiment? |
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Definition
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Term
| Which ray is not made up od particles? |
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Definition
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Term
| What is the charge of an alpha particle? |
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Definition
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Term
| Who determined how to find the number of neutrons in an atom? |
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Definition
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Term
| What did Ernest rutherfords Gold Foil experiment prove? |
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Definition
| That the atoms positive charge and most of its mass was located in the nucleus. |
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Term
| J.J Thompsons plum pudding model was reputed by __________ experiment with ___________ _______. |
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Definition
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Term
| Who said that the chemical property of an element changes as it gives off radiation? |
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Definition
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