Which of the following can be beaten into thin sheets?

• Zinc

• Phosphorus

• Sulphur

• Oxygen

Which of the following statements is correct?

• All metals are ductile.

• All non-metals are ductile.

• Generally, metals are ductile.

• Some non-metals are ductile.

Phosphorus is very  ________  non-metal.

Metals are _______ conductor of heat and ________.