C4f-Transition Elements Flashcards Preview

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Flashcards in C4f-Transition Elements Deck (21)
1

Where are transition metals found in the periodic table?

In the middle

2

What are all transition elements?

Metals and have typical metallic properties

3

What colour are copper compounds?

Blue

4

What colour are iron(II) compounds?

Light green

5

What colour are iron(III) compounds?

Orange/brown

6

What is iron used for in the industry?

A catalyst used in the Haber process for making ammonia

7

What is Nickel used for in the industry?

The hydration of alkenes (to make margarine)

8

What is thermal decomposition?

A reaction in which a substance is broken down into at least two other substances by heat

9

What is the test for carbon dioxide?

To see if it turns limewater milky

10

What is the symbol equation for the thermal decomposition of FeCO3(iron carbonate)?

FeCO3 -->
FeO + CO2

11

What is the symbol equation for the thermal decomposition of CuCO3(Copper Carbonate)?

CuCO3 --> CuO + CO2

12

What is the symbol equation for the thermal decomposition of MnCO3(Magnese Carbonate)?

MnCO3 --> MnO + CO2

13

What is the symbol equation for the thermal decomposition of ZnCO3(Zinc carbonate)?

ZnCO3 --> ZnO + CO2

14

What is precipitation?

A reaction between solutions that makes an insoluble solid

15

What are precipitates?

The solids in a precipitation reaction

16

What colour would you see in a sodium hydroxide solution if there were copper ions?

Blue solid (Cu2+)

17

What colour would you see in a sodium hydroxide solution if there were iron(II) ions?

Grey/green solid (Fe2+)

18

What colour would you see in a sodium hydroxide solution if there were iron (III) ions?

Orange/brown solid (Fe3+)

19

What is the balanced symbol equation for copper (II) sulfate + sodium hydroxide?

CuSO4 + 2NaOH --> Cu(OH)2 + Na2SO4

20

What is the balanced symbol equation for iron (II) sulfate + sodium hydroxide?

FeSO4 + 2NaOH --> Fe(OH)2 + NaSO4

21

What is the balanced symbol equation for iron(III) sulfate + sodium hydroxide?

Fe2(SO4)3 + 6NaOH --> 2Fe(OH)3 + 3Na2SO4