Metallic Structure

Which substance will have a metallic structure?

• iron chloride

• iron

• magnesium sulfate

• magnesium

Which substance will have a metallic structure?

• copper

• copper oxide

• diamond

• graphite

Which substance will have an ionic structure?

• iron chloride

• iron

• magnesium sulfate

• magnesium

Which substance can conduct electricity in solid state?

• copper

• copper oxide

• diamond

• graphite

Which substance can conduct electricity in solid state?

• iron chloride

• iron

• magnesium sulfate

• magnesium

Metallic Structure

Giant lattice of metal ​ (a)   surrounded by a sea of delocalised ​ (b)  

• cations
• electrons
• atom
• anion
• protons
• molecules

Alloy is a ​ (a)   of a metal and another​ (b)  

• mixture
• element
• compound
• metal.
• non-metal.
• metal
• non-metal

Which are pure metals?

• iron

• steel

• brass

• copper

• sodium

Which are alloys?

• iron

• steel

• brass

• silver

• potassium

Why do metals have high melting point?

Since there are strong ​ (a)   forces of attraction between the lattice of cations and sea of delocalised ​ (b)   And as a ​ (c)   amount of energy is required to ​ (d)   these strong forces. Therefore metals have high melting points.

• electrostatic
• electrons
• large
• overcome
• intermolecular
• covalent
• anion
• molecule
• little
• break