A new junior PM who has ownership of a project does not understand how to...

This is the correct order of the stages of team development according to Tuckman’s model123. The forming stage is where team members first meet and get acquainted. The storming stage is where team members experience conflicts and disagreements. The norming stage is where team members resolve their differences and establish norms and rules. The performing stage is where team members work together effectively and efficiently. The adjourning stage is where team members complete the project and celebrate their achievements. References = CompTIA Project+ Study Guide: Exam PK0-005, 3rd Edition, Chapter 6: Project Team Management, p. 197; The 5 Stages of Team Development (Including Examples) | Upwork; The 5 Stages of Team Development - Teamwork; Using the Stages of Team Development | MIT Human Resources