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