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Chemistry GCSE (EDEXCEL) > Principles Of Chemistry > Flashcards

Principles Of Chemistry Flashcards

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1
Q

What are the 3 subatomic particles?

A

-Proton
-Neutron
-Electron

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2
Q

Relative mass of Proton

A

1

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3
Q

Relative mass of Neutron

A

1

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4
Q

Relative mass of Electron

A

0

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5
Q

John Dalton’s atomic theory

A

Solid ball theory

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6
Q

J.J Thompson atomic theory

A

Plum pudding model

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7
Q

Ernest Rutherford atomic theory

A

Alpha particles experiment

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8
Q

How to calculate relative atomic mass

A
  1. Identify mass numbers
  2. Identify % abundance of each isotope
  3. Multiply mass and abundance of each isotope
  4. Add them together
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9
Q

Valence electrons (definition)

A

Electrons on the outer shell

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10
Q

Electronic configuration (definition)

A

The way in which electrons are arranged in an atom

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11
Q

Melting (definition)

A

Solid to liquid

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12
Q

Freezing (definition)

A

Liquid to solid

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13
Q

Sublimation (definition)

A

Solid to gas

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14
Q

Deposition (definition)

A

Gas to solid

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15
Q

Condensation (definition)

A

Gas to liquid

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16
Q

Boiling (definition)

A

Liquid to gas

17
Q

Polymer (definition)

A

A long chain of chemical units/ monomers

18
Q

Rf value (equation)

A

Solvent front/ spot distance

19
Q

Stationary phase (definition)

A

The phase in chromatography that doesn’t move

20
Q

Mobile phase (definition)

A

The phase in chromatography that moves

21
Q

Potable water (definition)

A

Water that is safe to drink

22
Q

Screening (definition)

A

Large insoluble solids are removed with a sieve

23
Q

Sedimentation (definition)

A

Small, insoluble particles are allowed to separate out

24
Q

Filtration (definition)

A

Sand and gravel beds remove insoluble solids

25
Q

Chlorination (definition)

A

Chlorine is added to kill microorganisms in the water

26
Q

Reduction (definition)

A

Using carbon to extract metals that are less reactive than it from their ores

Chemistry GCSE (EDEXCEL) (10 decks)

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