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Chemistry > Section A Particles > Flashcards

Section A Particles Flashcards

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0
Q

What is diffusion?

A

Diffusion is the movement of particles through a liquid or gas

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1
Q

What is sublimation?

A

Solid to Gas or vice versa

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2
Q

What is the name given to this state?

Solid ⏩ Liquid

A

Melting

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3
Q

What is the name given to this state?

Liquid ⏩ Solid

A

Freezing

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4
Q

What is the name given to this state?

Solid ⏩ Gas

A

Sublimation

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5
Q

What is the name given to this state?

Gas ⏩ Solid

A

Deposition

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6
Q

What is the charge of a proton?

A

+

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7
Q

What is the charge of an electron?

A

-

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8
Q

What is the number of protons called in an atom?

A

Atomic Number

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9
Q

What is the Mass Number?

A

Number of protons + number of neutrons

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10
Q

What is an isotope?

A

Atoms that have the same atomic number but different mass numbers.

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11
Q

What is this element?

2.4

A

Carbon, C

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12
Q

What is this element?

2.8.8

A

Argon, Ar

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13
Q

what is this element?

2.8.9

A

Potassium, K

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14
Q

What is covalent bonding?

A

A shared pair of electrons between different atoms

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15
Q

What is ionic bonding?

A

The transfer of electrons

16
Q

What is oxidation in terms of electrons?

A

The loss of electrons.

17
Q

What does reduction mean in terms of electrons?

A

The gain of electrons.

18
Q

What is an intermolecular force?

A

Forced of attraction between separate molecules

19
Q

What are ions?

A

An atom or group of atoms which carries an electrical charge, either positive of negative

20
Q

What is filtration?

A

Separation of insoluble solids from a liquid

21
Q

What is crystallisation?

A

Separation of soluble solids from a solution

22
Q

What is distillation?

A

Separation of solutions

23
Q

What is chromatography?

A

Separation of dyes

24
Q

What does malleable mean?

A

Is easily beaten into shape

25
Q

What does ductile mean?

A

Can be pulled out into wires

26
Q

What is an alloy?

A

A mixture of two metals to make a stronger metal

27
Q

What is a giant structure?

A

Ions held together in a closely packed attraction between oppositely charged ions

28
Q

What is a catalyst?

A

Substances that speed up a chemical reaction, and also proved a quicker and alternate route for the reaction to happen with a lower activation energy.

Chemistry (4 decks)

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