Outline two physical properties and two chemical properties of transition metals. (2 marks)
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Outline two physical properties and two chemical properties of transition metals. (2 marks)
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Physical properties (choose two):
→ Hard and tough metals, high densities, can be hammered into shape, good heat conductor, high melting/boiling points.
Chemical properties(choose two):
→ Less reactive than Group 1 metals, often have variable oxidation states, can form alloys, form coloured ions.
Physical properties (choose two):
→ Hard and tough metals, high densities, can be hammered into shape, good heat conductor, high melting/boiling points.
Chemical properties(choose two):
→ Less reactive than Group 1 metals, often have variable oxidation states, can form alloys, form coloured ions.
Outline both a physical and chemical property of the elements contained in the highlighted periodic table groups below. (4 marks)
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Group \(\text{A:}\) Earth metals (aka “alkaline metals”)
→ Physical properties: shiny, silver coloured metals, low density, malleable.
→ Chemical properties: low melting/boiling points, ductile.
Group \(\text{B:}\) Halogens (aka the “fluorines”)
→ Physical properties: Group 7 elements are dull and brittle in solid form
→ Chemical properties: low melting/boiling points, poor conductors of heat and electricity.
Group \(\text{A:}\) Earth metals (aka “alkaline metals”)
→ Physical properties: shiny, silver coloured metals, low density, malleable.
→ Chemical properties: low melting/boiling points, ductile.
Group \(\text{B:}\) Halogens (aka the “fluorines”)
→ Physical properties: Group 7 elements are dull and brittle in solid form
→ Chemical properties: low melting/boiling points, poor conductors of heat and electricity.
Outline both a physical and chemical property of the elements contained in the highlighted periodic table groups below. (4 marks)
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Group \(\text{A:}\) Alkali metals
→ Physical properties: Group 1 metals are soft and shiny.
→ Chemical properties: They are highly reactive and have low melting/boiling points.
Group \(\text{B:}\) Noble gases
→ Physical properties: Group 8 elements are colourless gases with no odour or taste.
→ Chemical properties: They are virtually unreactive and all have cryogenic boiling points.
Group \(\text{A:}\) Alkali metals
→ Physical properties: Group 1 metals are soft and shiny.
→ Chemical properties: They are highly reactive and have low melting/boiling points.
Group \(\text{B:}\) Noble gases
→ Physical properties: Group 8 elements are colourless gases with no odour or taste.
→ Chemical properties: They are virtually unreactive and all have cryogenic boiling points.