The period and group of the Lead element and its location, classification has to be identified. Concept introduction: Pauli Exclusion Principle An orbital having a most two electrons and in this two electrons have opposite spins. Each orbital having no more than two electrons and similar spin is not allowed.

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Chapter 8.3, Problem 8.4E

Interpretation Introduction

Interpretation:

The period and group of the Lead element and its location, classification has to be identified.

Concept introduction:

Pauli Exclusion Principle

An orbital having a most two electrons and in this two electrons have opposite spins.

Each orbital having no more than two electrons and similar spin is not allowed.

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