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Chemistry for Engineering Students

4th Edition
Lawrence S. Brown + 1 other
ISBN: 9781337398909

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BuyFindarrow_forward

Chemistry for Engineering Students

4th Edition
Lawrence S. Brown + 1 other
ISBN: 9781337398909
Textbook Problem

In what region of the periodic table are most of the elements that are listed as critical materials found?

Interpretation Introduction

Interpretation:

The region of the periodic table where critical materials are found should be identified.

Concept Introduction:

  • Critical materials are rare earth metals
  • There are different regions in the periodic table mainly depending on the chemical similarity of elements in a particular area.
  • Depending on the type of sub shell which receives the last electron, elements have been classified into four periodic table blocks (s, p, d and f)
Explanation

Critical materials include 5 rare earth elements; dysprosium, terbium, europium, neodymium and yttrium. They are lanthanides and are found in f block of the periodic table.

Location of these elements closer to each other in one region in the periodic table should be the reason for them to have similar chemical properties...

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