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chemistry > Periodic Table Groups > Flashcards

Periodic Table Groups Flashcards

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1
Q

Group 1

A

Get more reactive as you go down the group
Reacts with water
They are metals and have one electron in their outer shell

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2
Q

Group 2

A

Gets more reactive (vigorous) as you go down the group

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3
Q

Group 7

A

Get less reactive as you go down the group

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4
Q

Nobel gases /group 0

A

Very unreactive

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5
Q

What is a chemical reaction

A

When different elements combine to form new substances

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6
Q

What is the periodic table

A

A list of all the known elements

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7
Q

What are some group 1 metal elements

A

Lithium, sodium, potassium

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8
Q

What are the group 1 metals called

A

Alkali metals

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9
Q

What are the group 2 metals called

A

The alkaline Earth metals

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10
Q

What are some elements in group 2

A

Strontium, calcium, magnesium

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11
Q

What are group 7 metals called

A

The halogens

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12
Q

What are some elements in group 7

A

Fluorine, chlorine, bromine, iodine

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13
Q

What are diatomic molecules

A

Molecules containing two atoms of the same element

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14
Q

What are the 7 diatomic elements

A

Hydrogen, nitrogen, fluorine, oxygen, iodine, chlorine, bromine

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15
Q

What is the sentence used to remember the 7 diatomic elements

A

Have no fear of ice cold beer

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16
Q

What happens when lithium reacts with water

A

Effervescence, bit of smoke, noisy bubbles

17
Q

What happens when sodium reacts with water

A

Melts into a ball, becomes hot, effervescence, smoke

18
Q

What happens when potassium reacts with water

A

Lilac flames, crackle, lots of smoke

19
Q

Products when lithium reacts with water

A

Lithium hydroxide

20
Q

Products when sodium reacts with water

A

Sodium hydroxide

21
Q

Products when potassium reacts with water

A

Potassium hydroxide

22
Q

What happens when universal indicator is added to lithium

A

Turns blue, purple then black

23
Q

What happens when universal indicator is added to sodium

A

Green, blue, purple trail

24
Q

What happens when universal indicator is added to potassium

A

Blue

25
Q

How to test for presence of hydrogen with a lit splint

A

Add either lithium, sodium or potassium to water then test it with a lit splint. If there is hydrogen it will make a squeaky pop

26
Q

What happens when calcium is added to water

A

Some effervescence

27
Q

What happens when magnesium is added to water

A

No reaction

28
Q

What happens when strontium is added to water

A

No reaction

29
Q

Colour and state of fluorine

A

Pale yellow gas

30
Q

Colour and state of chlorine

A

Pale green gas

31
Q

Colour and state of bromine

A

Reddish brown liquid

32
Q

Colour and state of iodine

A

Grey solid

33
Q

What happens when iron wool reacts with chlorine

A

Disappears and a brown iron chloride forms

34
Q

What happens when iron wool reacts with bromine

A

Takes longer and needs more heat until it starts to glow

35
Q

What happens when iron wool reacts with iodine

A

Quite dull, purple vapour, slow

36
Q

Phrase to remember group 7

A

Funky bride

chemistry (7 decks)

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