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science biomimicry > Science assesmient 25/11/24 > Flashcards

Science assesmient 25/11/24 Flashcards

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Biology 101 flashcards
1
Q

What are all substances made up off

A

Atoms

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2
Q

What does s, l, g stand for

A

Solid , liquid , gas

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3
Q

Name for two or more substances not chemically combined together

A

Mixture

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4
Q

Name for two substances that are chemically combined together

A

Compound

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5
Q

Name of material made up from only 1 type of Atom

A

Element

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6
Q

Process used to separate liquids with different boiling points

A

Fractional distillation

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7
Q

What process is used to separate a liquid and an insoluble solid

A

Filtering

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8
Q

What process is used to detect the different dyes in food colouring

A

Chromatography

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9
Q

Who came up with the idea of the plum pudding

A

Jj Thompson

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10
Q

Which scientist proved that there was a dense positive nucleus

A

Ernest Rutherford

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11
Q

What is the name of the negative subatomic particle

A

Electron

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12
Q

What is the name of the positive subatomic particle

A

Proton

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13
Q

What is the name of the neutral subatomic particle

A

Neutron

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14
Q

What does the atomic number of an atom show

A

The number of protons

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15
Q

What is the atomic mass number the sum off

A

Number of protons and neutrons

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16
Q

What do u call the atom of the same element

A

Isotope

17
Q

What is the name of a charged atom

A

Ion

18
Q

What is the name of group 0

A

Noble gasses

19
Q

Name of group 1

A

Alkali metals

20
Q

Name of group 7

A

Halogens

21
Q

What gas is formed when a alkali metal reacts with water

A

Hydrogen

22
Q

How does the reactivity of halogens change as u go up the group

A

They become more reactive

23
Q

How does the reactivity of the alkali metals change as you go down the group

A

They become more reactive

24
Q

How many electrons are on the outer shell of group 1 metals

A

1 electron

25
Q

How many electrons are on the outer shell of group 7 elements

A

7 electrons

26
Q

Are metals on the left or right of periodic table

A

Left

27
Q

Are the non metals on the left or right of periodic table

A

Right

science biomimicry (3 decks)

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