How many lone pairs of electrons are present but not shown in the molecule below? 
Definitions:
Xerox
A multinational corporation known for its significant contributions to the document technology and digital print industry.
Document Outsourcing
The practice of hiring third-party vendors to manage document creation, management, and distribution needs of an organization.
Anne Mulcahy
Known for her role as the former CEO of Xerox Corporation, where she led significant turnaround efforts and innovation.
CEO
Chief Executive Officer, the highest-ranking individual in a company or organization, responsible for making major corporate decisions.
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