Physical Science Goal 5A Test Review Technique 1

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Physical Science Goal 5A Test Review Technique 1

• Flash Cards

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Solid SphereAtomic Model

• Dalton

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Plum Pudding Model

• Thomson

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Planetary Model

• Bohr

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Discovered electron

• Thomson

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What was C.R.T. used for?

• Thomson used to discover electrons and they are
  negative. e-

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Gold Foil Experiment Scientist

• Rutherford

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Nucleus is1.2.

• Small

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Atom is mostly

• Empty space

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WHY did only 1 of every 20,000 alpha particles
bounce back when shot through the gold foil?

• Atom mostly empty space

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What is charge of an electron?

• -

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What is charge on a nucleus (proton)

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The one Dalton postulate that was disproved

• Atoms can not be broken down to smaller pieces.

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Total number of electrons on each of the first
three energy levels of Bohrs Model.

• 2 8 18

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Bohrs Model which energy shell has the lowest
energy?

• Inside (1st)

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Bohrs Model energy level with the highest
energy level?

• Outer most

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How can an electron jump from lower to higher
energy shell?

• Gain a quantum of energy

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What happens when an electron jumps from a higher
to a lower energy level?

• Gives off a quantum of energy

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An electron exists in the area of highest
probability (atomic model?)

• Electron Cloud

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The most currently accepted atomic model

• Electron cloud

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Observation

• 1

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Questions

• 2

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Hypothesis

• 3

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Experiment / Test

• 4

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Analysis

• 5

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Theory

• 6

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Scientific Law

• 7

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YesRetest

• 8

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NORevise Hyp.

• 9

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Scientific MethodData Tables are located in the
.

• Experiment / Test

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Scientific MethodGraphs are located in the

• Analysis

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• Dalton

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• Thomson

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• Rutherford

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• Bohr

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• Electron Cloud - Schrodinger