Revision For Mock Flashcards

1
Q

Proton has a relative charge of

A

+1

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2
Q

Electron has a relative charge of

A

-1

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3
Q

Neutron has a relative charge of

A

0

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4
Q

Is the atomic number the top number or bottom number

A

Bottom

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5
Q

The top number is the

A

Atomic number

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6
Q

What is the atomic number

A

The number of electrons is the same as the number of protons

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7
Q

What is the mass number

A

Shows you the total number of protons plus the number of neutrons

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8
Q

What are isotopes

A

Atoms with the same number of protons but a different number of neutrons

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9
Q

Mixtures contain

A

At least two dofferent elements or compounds

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10
Q

Three examples of how different parts of a mixture can be seperated

A

Filtration
Fractional distillation
Crystallisation

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11
Q

Mixtures don’t involve

A

Chemical reactions

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12
Q

Filtration used to

A

Separate an insoluble liquid from a liquid reaction mixture

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13
Q

Method of filtration

A

1.Put some filter paper in a funnel
2.Pour the mixture into the filter paper
3.Make sure the mixture doesn’t go above the filter paper
4.The liquid passes through the paper into the breaker.Whilst the solid is left behind in the filter paper

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14
Q

Cr

A
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15
Q

Crystallisation used to

A

Separate soluble solids from solutions

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16
Q

Distillation used to

A

Separate solutions

17
Q

Fractional distillation used to

A

Separate a mixture of liquids