0620 IGCSE Chemistry Metals

Reorder the following metals starting from the LEAST reactive.

• gold

• copper

• iron

• magnesium

• sodium

Match the following metal with the name of the ore.

• dolomite

• alumunium

• haematite

• calcium

• limestone

• magnesium

• bauxite

• zinc

• blende

• iron

Tags

NGSS.MS-ESS3-1

Draw the metallic bonding model diagram.

Answer explanation

Positive atomic nuclei (yellow circles) surrounded by a sea of delocalized electrons (red circles).

The extraction method for aluminium is called

the block of extraction method for iron is called

Based on their position in metal reactivity series, categorize the metals into the correct extraction method.

Groups:

(a) found as pure metal

,

(b) electrolysis

,

(c) reduction with carbon

• iron

• zin

• sodium

• aluminium

• calcium

• silver

• magnesium

• gold

categorize the metals accordingly

Groups:

(a) alkali metal

,

(b) earth alkali

,

(c) transition metal

• gold

• lithium

• radium

• francium

• iron

• sodium

• strontium

• zinc

• silver

• barium

Tags

NGSS.HS-PS1-1

Click on the properties of a metal.

which one is the correct statement about transition metals?

• it reacts quickly with water

• it is harder than alkali metal

• it has less density than alkali metal

• it floats in water

Alumunium is often used instead of copper in overhead electrical cables. State which statement is NOT an important reason for choosing aluminium for this use.

• is good conductor of electricity

• good conductor of heat

• easy to recycle

• has lower density