What is the group number and Lewis symbol for tennessine?

• A. Tennessine's group number is 1A. Its Lewis dot symbol is shown below:
• B. Tennessine's group number is 1A. Its Lewis dot symbol is shown below:
• C. Tennessine's group number is 7A. Its Lewis dot symbol is shown below:
• D. Tennessine's group number is 7A. Its Lewis dot symbol is shown below:

Answer: (C)