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Year 9 Term Tests > Atomic Numbers and The Periodic Table > Flashcards

Atomic Numbers and The Periodic Table Flashcards

1
Q

What group are halogens in

A

Group 7

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2
Q

what is the most reactive halogen

A

Fluorine

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3
Q

what is the least reactive halogen

A

Astatine

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4
Q

What is the order of the halogens

A

flourine, chlorine,bromine, iodine, astatine

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5
Q

What is the symbol for flourine

A

F

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6
Q

What is the symbol for chlorine

A

Cl

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7
Q

What is the symbol for iodine

A

I

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8
Q

What is the symbol for bromine

A

Br

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9
Q

What is the symbol for Astatine

A

At

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10
Q

What halogens are gases

A

flurone and chlorine

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11
Q

what halogen is a liquid

A

bromine

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12
Q

what halogens are solids

A

iodine and astatine

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13
Q

what is group 1

A

the alkali metals

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14
Q

what is group 0

A

the noble gases

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15
Q

are the alkali metals reactive

A

yes very

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16
Q

is the most reactive halogen at the top or bottom

A

top

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17
Q

is the most reactive alkali metal at the top or bottom

A

bottom

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18
Q

what are alkali metals stored in to prevent them for reacting with oxygen

A

oil

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19
Q

what is it called when alkali metals react with water

A

proudce alkaline solution

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20
Q

What is the symbol for potassium

A

K

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21
Q

What is the symbol for rubidium

A

Rb

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22
Q

What is the symbol for lithium

23
Q

What is the symbol for sodium

24
Q

What is the symbol for caesium

25
Q

What is the symbol for Francium

26
Q

properties of alkali metals

A

soft, low density

27
Q

does the metling point increase or decrease as you go down the group

28
Q

does the boiling point increase or decrease as you go down the group

29
Q

does the density of the metals increase ir decrease as you go down the group

30
Q

does a proton contain a nucleus

31
Q

does a neutron contain a nucleus

32
Q

does an electron contain a nucleus

33
Q

are protons negative or positive

34
Q

are elelctrons negative or positive

35
Q

what is the atomic number

A

the number of protons it contains

36
Q

is potassum more reactive than sodium

37
Q

what is the mass number the sum off

A

the number of protons and neutrons

38
Q

what is unique about group 0 elements

A

they are unreactive

39
Q

what is the charge of an electron

40
Q

what is negative charge made from

A

gaining electrons

41
Q

what is positive charge made from

A

loosing electrons

42
Q

what do atom sin group 7 gain

A

1 electron

43
Q

what does an atom have

A

no overall charge

44
Q

what are negative ions formed by

A

non-metals

45
Q

what do periods tell us

A

how many shells

46
Q

what do groups tell us

A

how many electrons on outer shell

47
Q

who discovered the nucleus

A

rutherford

48
Q

what is a proton

A

a positively charged atom located in an atmos nucleus

49
Q

what is a neutron

A

a neutral partcile located in an atoms nucleus

50
Q

what is a nucleus

A

the central region of an atom where most of the atmos mass is found in protons and neutrons

51
Q

what is an electron

A

a negatively charged particle loacted outside an atoms nucleus 2000 times smaller than a proton or neutron

52
Q

what is an atomic number

A

the total number of protons in an atmos nucleus

53
Q

what is a mass number

A

the total number of protons and neutrons in an atoms nucleus

Year 9 Term Tests (5 decks)

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