WorksheetsMetals LSL
Total questions: 26
Worksheet time: 21mins
Metallic bonding consists of a giant structure of positive metal (a) surrounded by a sea of...
Metallic bonding consists of a giant structure of positive metal ions surrounded by a sea of ___________ _________
(a)
Alloys are hard because the different ions distort the layers of metal ions, making it more difficult for them to slide over each other.
True
False
Na + H2O --> (a) + 1/2H2
Zinc + Sulphuric acid --> ____ ________ + hydrogen
(a)
Metal + steam --> metal (a) + hydrogen
Group I metals react by (a) an electron
Which of these increase down group I?
number of protons in the nucleus
Shielding of the outer electron
Distance of the outer electron from the nucleus
Electrostatic force of attraction between the outer electron and the nucleus
Iron Oxide + Aluminium --> _________ _____ + Iron
(a)
Which species gets oxidised in the following equation?
2Al(s) + 3Cu2+ --> 2Al3+ + 3Cu(s)
Al
Cu2+
Al3+
Cu
Which species gets reduced in the following equation?
2Al(s) + 3Cu2+ --> 2Al3+ + 3Cu(s)
Al
Cu2+
Al3+
Cu
Which species is the oxidising agent in the following equation?
2Al(s) + 3Cu2+ --> 2Al3+ + 3Cu(s)
Al
Cu2+
Al3+
Cu
Which species is the reducing agent in the following equation?
2Al(s) + 3Cu2+ --> 2Al3+ + 3Cu(s)
Al
Cu2+
Al3+
Cu
Which method would we use to extract copper from its ore?
Electrolysis
Reduction with carbon
Found as native (dig it up)
Which method would we use to extract potassium from its ore?
Electrolysis
Reduction with carbon
Found as native (dig it up)
Which method would we use to extract gold from its ore?
Electrolysis
Reduction with carbon
Found as native (dig it up)
Iron Oxide + Carbon --> Carbon dioxide + (a)
Which of these would be the best metal to make cutlery?
Iron
Copper
Stainless steel
Aluminium
Which of these would be the best metal to make electrical wiring?
Iron
Copper
Stainless steel
Aluminium
Which of these would be the best metal to make aeroplanes?
Iron
Copper
Stainless steel
Aluminium
Complete the equation for rusting
Iron + water + oxygen -->
(a)
Give the chemical formula of the compound that speeds up rusting in coastal regions.
(a)
A piece of magnesium attached to an iron ship to react in place of the iron is called a ___________ _____
(a)
Coating a metal in a protective layer of zinc is called (a)
To prevent corrosion of metals in air, you should keep the (a) low
Aluminium does not corrode because an impermeable (non-porous) layer of aluminium oxide forms on its surface. This process of this layer forming is called (a)
