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Chem > Metal And Reactivity Series > Flashcards

Metal And Reactivity Series Flashcards

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1
Q

What are the most reactive and least reactive elements in the reactivity series?

A

Potassium
Sodium
Calcium
Magnesium
Aluminium
Zinc
Iron
Copper

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2
Q

What are some properties of metals

A

High melting point
Conduct heat
Conduct electricity
Strong
Ductile

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3
Q

What metals don’t react with air?

A

Gold and silvrr

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4
Q

What is observed when potassium reacts with air/oxygen?

A

Lilac flame
White solid

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5
Q

What is observed when sodium reacts with air/oxygen?

A

Yellow flame
White solid

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6
Q

What is observed when calcium reacts with oxygen/air?

A

Brick red flame
White solid

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7
Q

What is observed when magnesium reacts with air?

A

Bright white light and white solid

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8
Q

What is observed when aluminium reacts with air?

A

Only burns when powdered and white solid

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9
Q

What is observed when zinc reacts with air?

A

Grows orange
Forms yellow solid which then turns to white when cooled

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10
Q

What is observed when iron reacts with air?

A

Orange sparks
Black solid

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11
Q

What is observed when copper reacts with air

A

Grows orange
Coated in black after

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12
Q

What is observed when potassium reacts with water?

A

Floats
Lilac flame
Heat released
Bubbles produced
Moved on the surface
Colourless solution

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13
Q

What is observed when sodium reacts with water?

A

Melts into tiny sphere
Moves on surface
Bubbles produced
Heat released
Colourless solution

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14
Q

What is observed when calcium reacts with water?

A

Sinks then rises
Bubbles produced
Heat releasef
Colourless solution
Disappears

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15
Q

What is observed when magnesium reacts with water

A

A fee bubbles of gas over a long time

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16
Q

What is observed when magnesium reacts with stream

A

Bright white light
Heat released
White solid

17
Q

What is observed when aluminium reacts with stream

A

Heat released
Burns to form white solid
Powdered

18
Q

What is observed when zinc reacts with steam

A

Glows to form a yellow solid and turns white on cooling
Heat released

19
Q

What happens when iron reacts wuth with

A

Forms a black solid

20
Q

What is displacement of metals

A

When more reactive pushes out less reactive metal from compounds and replaces it

21
Q

What are three observations with displacement reaction on magnesium and copper sulphate

A

Red brown layer of copper on mag strip
Heat released
Blue colour fades to colourless

22
Q

What is observed when copper and silver nitrate do an displacement reaction

A

Silver deposited
Heat released
Colourless turns blue

23
Q

Which Extraction of metals need electrolysis

A

All the reactive metals down to aluminium, the rest use chemical reduction to be extracted

Chem (3 decks)

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