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CHEMISTRY > C1 > Flashcards

C1 Flashcards

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1
Q

what is an atom

A

the smallest part of an element

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2
Q

what is an element

A

a substance made from only 1 type of atom

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3
Q

what is the mass and charge of an electron

A 
mass = o
charge = -1
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4
Q

what is a mixture

A

a combination of substance which are not chemically joined together

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5
Q

what is a compound

A

anything made up of 2 or more atoms which are chemically joined together

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6
Q

what is a molecule

A

a group of atoms chemically joined together

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7
Q

what is a solute

A

a substance which can be dissolved

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8
Q

what is a solvent

A

the substance in which dissolving is happening

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9
Q

what is a solution

A

a mix between a solvent and a solute

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10
Q

what is distillation

A

separates a liquid from solid and keeps the liquid

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11
Q

what is filtration

A

separates a solid from a liquid

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12
Q

what is crystallisation

A

separates a dissolved solid from a liquid

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13
Q

what is chromotography

A

separates inks

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14
Q

what is fractional distillation

A

separates a mixture of liquids

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15
Q

how does distillation work

A

https://www.youtube.com/watch?v=gIMtFj2gPs8

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16
Q

how does chromatography work

A

https://www.youtube.com/watch?v=hndJf_5aB9I

17
Q

how does filtration work

A

https://www.youtube.com/watch?v=ka6o5VCPRF8

18
Q

how does crystallization work

A

https://www.youtube.com/watch?v=ka6o5VCPRF8

19
Q

how does fractional distillation work

A

https://www.youtube.com/watch?v=86WY2mV9jiU

20
Q

what did JJ Thompson discover

A

the electron

21
Q

what was JJ Thompson’s idea of the atom and what did it look like

A

his idea was that the atom was like a plum pudding. a ball of positive charge with electrons scattered in it

22
Q

what was Rutherford experiment and what did it prove

A

alpha scattering experiment and it proved that the atom was mostly empty space with a dense positively charge are in the middle called the nucleus.
he also discovered the proton

23
Q

what did Bohr discover about the atom

A

that electrons orbit the atom in electron shells

24
Q

what did james chadwick discover

A

the neutron

25
Q

what is an ion

A

an atom with more or less electrons

26
Q

what is an isotope

A

isotopes have the same atomic number but different mass number because the have different number of neutrons. isotopes have similar chemical properties but different physical properties like density

27
Q

done an-

A

-d dusted

CHEMISTRY (12 decks)

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