Physical Properties of Metals

Peter hammered four balls made of different materials. He then heated each ball for a minute. The table below shows peter observed 

Can this statement be concluded from the table?

Two of the four balls are made of ceramic and wood respectively.

Which two balls are they likely to be?

Which of the following statements is correct?

Through malleability, metals can be beaten into thin sheets. Since one of them is gold wrapping foil used in sweets, Are metals edible?

Mercury is the only metal that remains in liquid form under ordinary temperature ranges and pressure conditions. Mercury as an element as a native metal, is extremely rare to find on the earth therefore it is bieng sourced by extracting from several minerals. Its density is $13.534 \mathrm{g}/\mathrm{ml}$. What will be the volume of one Kg. Mercury?.

If both non-metals and metals occur in the same physical state why do we differentiate them on the basis of physical properties?

The metal which is not corroded by air, water and acid is 

Sodium can be cut with a knife.

_____ is the hardest compound known to us.

_____ is a soft metal.

Name the metals in the first twenty elements.

What do you mean by lustre in material?

Which of the following statements are usually correct for carbon compounds? These:
(i) are good conductors of electricity.
(ii) are poor conductors of electricity.
(iii) have strong forces of attraction between their molecules.
(iv) do not have strong forces of attraction between their molecules.
Choose an appropriate match.

Making bronze requires copper and tin ores. Why do you think that the Bronze Age coincided with increased trade between groups of people?

The metal used in building bridges is _____. 

Copper is used for making

Which of these is a metal? 

Name one liquid metal.

Explain the difference between metals and non-metals.

Name two metals which are found in free state.

What is the meaning of malleability and ductility of metals?