Chapter 21, Problem 21.25SP

Interpretation Introduction

Interpretation:

Determine which type of metals can be found in an uncombined forms in nature and list three metals that fit this criterion.

Concept introduction:

• The d- and p-block elements are generally found in nature as metal oxides and sulfides.
• The s-block elements occur as chlorides, silicates and carbonates.
• Group 3B metals occur as phosphates and platinum group metals and gold are found in an uncombined form.

To classify:

The three metals that are found in the nature in uncombined forms.