@If magnesium turnings are shaken with water, they sink at first and then rise to the surface. This is because:
Magnesium reacts to form hydrogen, which  stick to the turnings, making them lighter
Air bubbles are trapped in the turnings
The turnings become coated in an oxide

@In which one of the following industries is lime (CaO) used?
Farming
Soap manufacturing
Bread making

@Out of the hundred or so known elements, how many are metals roughly?
80
20
50

@Why are metals good conductors of electricity?
They have many free moving electrons
They have high melting points
They are made of electrons only

@A metal commonly used to make window frames is:
Aluminium
Steel
Zinc

@Sodium is a metal. Just using this information only, which of the following could be stated as a fact?
It conducts electricity
It is hard
It has a very high melting point

@When a metal becomes an ion it:
loses electrons
gains protons
loses protons and electrons

@Aircraft frameworks are usually made of:
Aluminium
Zinc
Tungsten

@Which of the following is a liquid at room temperature (20C)?
Hg
Al
Na

@Metals burn in air to form:
Metal oxides
Carbon dioxide
Carbon monoxide

@The metal used in kitchen foil and chocolate bar wrappers is:
Aluminium
Steel
Tin

@The type of bonding in metals is called:
Metallic bonding
Ionic bonding
Hydrogen bonding

@The block of elements found roughly in the middle of the periodic table are called:
The transition elements
Metals
Non-metals

@Where abouts on the periodic table are metals found?
On the left
In the middle mainly
On the right
