Metal

Which property is not considered a typical metallic property?

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Some properties of substance X are listed.

● It conducts electricity when molten.

● It has a high melting point.

● It burns in oxygen and the product dissolves in water to give a solution with pH 11.

What is X?

• A covalent compound

• A macromolecule

• A metal

• An ionic compound

Which diagram shows the structure of an alloy?

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Which statement is true for all metals?

• Their atoms lose one or more electrons when they react.

• They are brittle

• They do not conduct electricity when solid

• They melt at low temperatures when they are heated

Check the questions the diagram properly.

Which statement correctly describes X and Y?

• X is a pure metal and Y is a compound.

• X is a pure metal and Y is an alloy.

• X is a solid and Y is a liquid.

• X is harder and stronger than Y.

Which statement is correct for all metals?

• conduct electricity when molten

• gain electrons when they form ions

• have a low density

• have a low melting point

Aluminium is the most common metal in the Earth’s crust. Which is not a property of aluminium?

• low density

• resistance to corrosion

• good conductor of electricity

• poor conductor of heat

Which of the elements are metals?

• 1 and 3

• 2, 3 and 4

• 2 and 3 only

• 2 and 4 only

M is a shiny silver metal. It has a melting point of 1455°C. Many of its compounds are green. What is metal M?

• Aluminium

• Copper

• Potassium

• Nickel

• A

• B

• C

• D