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| What is the smallest particle of an element that retains the properties of the element |
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| Who conducted the "gold foil experiment?" |
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| Who conducted the plum pudding model of the atom? |
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| Which subatomic particle is always negative in an atom? |
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| Particles with the same mass? |
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| What happened to the alpha particles in Rutherford's experiment? |
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| They majority passed right through the gold foil |
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| Rutherford concluded that the atom is consisted mostly of ___ ___ through which the electrons move. |
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| Electrons have a charge equal in magnitude but opposite to a ___. |
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| How do you find the amount of neutrons in an atom? |
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Subtract the atom's mass from the atomic number. mass-atomic #. |
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| Isotopes of the same element differ in... |
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| atomic mass (mass number) |
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| Atoms with the same number of protons but different number of neutrons |
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| What was wrong with Dalton's theory? |
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Definition
| He did not know it contained protons, neutrons, and electrons |
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| Electrical charges in atoms are found in.. |
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True or false. Beta radiation consists of high speed electrons |
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| Scientists determined that electrons move around the.. |
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| What does 'amu' stand for? |
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| What is the amu for a neutron? |
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| What is the amu for a proton? |
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| What is the amu for an electron? |
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| Where are protons located? |
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| Who is the frenchman that burned Magnesium in a jar and concluded it contained the same mass? |
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| What did Lavoiser prove that occured in his experiment? |
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| Lavoiser showed the conservation of _ by his experiment of burning Magnesium |
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| What happened when Lavoiser burned the Magnesium? |
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| The mass stayed the same as it was before it was burned |
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| Who was the Greek man that came up with an atomic theory? |
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| Who was the man that coined the term "atomos" |
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| Why was Democritus' theory rejected by other scientists? |
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| He could not prove what held the atoms together |
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| How are atoms held together? |
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| They are held together by the attraction of their chargers |
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| In the Atom bomb, the particles were _ |
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| What did Rutherford do in his gold foil experiment? |
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| Shot alpha particles to the foil |
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| What did Rutherford expect that the Alpha particles would do when shot at the foil? |
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| He expected them to bounce back |
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| What happened to the Alpha particles that were shot at the gold foil by Rutherford? |
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Definition
| Most of them went right through the foil |
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| Rutherford concluded through his experiment.. |
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Definition
| that atoms are mostly composed of empty space |
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| Rutherford knew that in an atom, the positive charge was in the _ of the atom(use another answer except nucleus) |
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Alpha particles are.. positive/negative/neutral ? |
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| When you hear the terms automizer, oil, charged plate and mass of electron, the person that comes to mind is.. |
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The stream of particle charges flow in a cathode from negative to positive? or positive to negative? |
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Ba- will admit decay in Alpha. What do you do? BA ^137 V56 find answer ? |
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| The atomic number represents the amount of _ and _ |
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| What is the modern name for the atomic theory? |
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| What is it called when you take two nuclei to form 1 nuclei? |
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| The sun has hydrogen and fuses it to form |
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| If each person gets an isotope, and they do the experiment (lead nitrate and potassium).. |
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| the all get the same answer and it reacts the same |
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