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C1 And C2 Chemistry Ocr 9-1 > C2 > Flashcards

C2 Flashcards

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1
Q

Alloy

A

A mixture of 2 or more substances in a metal mixture

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2
Q

Boiling point

A

The temperature at which a liquid will evaporate into a gas

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3
Q

Chemical formula

A

A description of chemical symbols showing the elements present in a compound and their relative proportions

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4
Q

Compound

A

2 or more elements chemically combined

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5
Q

Condense

A

The change of state from gas to liquid

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6
Q

Condenser

A

a piece of apparatus used to cool a substance from gas to liquid

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7
Q

Crystallisation

A

The process of evaporating a solvent from a solute producing crystals

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8
Q

Distillation

A

Separating different liquids due to their boiling points

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9
Q

Evaporate

A

The change of state from liquid to gas

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10
Q

Relative Atomic Mass

A

The mean or average mass of an atom of an element compared to 1/12 the mass of Carbon -12

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11
Q

Residue

A

Insoluble material that remains in the filter paper after filtration

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12
Q

Saturated

A

When a solution has reached the maximum mass of solute at a given temperature. Over saturated solutions in crystallisation form crystals

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13
Q

Simple distillation

A

The process of Seperating a liquid from a solution based on boiling points

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14
Q

Soluble

A

A solute which will dissolve in a particular solvent

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15
Q

Solute

A

The substance which dissolves in a solvent

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16
Q

Solution

A

A mixture formed when a solute dissolves in a solvent

17
Q

Solvent

A

The liquid that can dissolve a solute in order to from a solution

18
Q

Ionic bond

A

Strong electrostatic forces of attraction between oppositely charged ions

19
Q

Covalent bond

A

A strong force of attraction between the positive nuclei of atoms and the negative,shared pair of electrons

20
Q

Giant covalent structure

A

The arrangement of non metals he,d by strong covalent bonds in a regular lattice structure

21
Q

Simple molecule

A

A molecule consisting on non metals joined together by covalent bonds with weak intermolecular forces between molecules

22
Q

Polymer

A

Large molecules formed by a chain of many smaller molecules called monomers

23
Q

Fullerenes

A

Allotropes of carbon with molecules shaped like hollow balls or tube

24
Q

Allotrope

A

A different form of the same event. That exists in the same state but with a different atomic arrangement

25
Q

Nanoparticles

A

Particles between 1nm to 10nm in size which have a high surface area to volume ratio

C1 And C2 Chemistry Ocr 9-1 (2 decks)

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