Metals Properties and Extraction

What are the properties of a typical metal?​ (a)   ​ (b)   ​ ​ (c)   ​ (d)  

• Soft
• Magnetic
• Shiny
• Good conductor of heat
• Malleable
• Ductile
• Poor conductor of heat
• Poor conductor of electricity
• Brittle

What is the difference between atoms and ions?

• Atoms are neutral, while ions have a charge

• Atoms have a charge, while ions are neutral

• Atoms are smaller than ions

• Atoms and ions are the same thing

What is the purpose of electrolysis?

• To split compounds into elements

• To combine elements into compounds

• To generate electricity

• To purify water

What is the charge of a copper ion?

• Positive

• Negative

• Neutral

• It depends on the context

What happens to ions at the electrodes during electrolysis?

• They lose their charge and turn back into atoms

• They gain a charge and become ions

• They combine with other ions to form compounds

• They remain as ions

What is the charge of a chlorine ion?

• Positive

• Negative

• Neutral

• It depends on the context

What property of copper makes it a good choice for making wires?

• Ductile

• Strong

• Shiny

• Good conductor of electricity

During electrolysis, where do positive ions move towards?

• Positive electrode

• Negative electrode

• Both electrodes

• They don't move

What is the charge of a potassium ion?

• 1+

• 1-

• Neutral

• 2+

• 2-

Extraction of metals with carbon can only happen with metals (a)   reactive than carbon