Chapter 21, Problem 21.2QP

Interpretation Introduction

Interpretation:

The three metals that are usually found in an uncombined state in nature and always found in a combined state in nature have to be listed.

Concept introduction:

Metals: A hard and solid material, which are looks like shiny, malleable, fusible and ductile and have good electrical and thermal conductivity is said to be metals.  Metals prepared by reduction usually need further treatments to remove impurities.  The purification depends on how the metal will be used and there are three common purification methods.

• Distillation
• Electrolysis
• Zone refining