yes it can
No, a full stop (period) is not typically used after a title unless it is part of a complete sentence. Titles are usually presented without punctuation at the end, as they serve to introduce the content that follows. However, if the title is the last part of a sentence, then a full stop should be placed at the end of the sentence, not after the title itself.
The subject of the sentence is "The title."
do I have to have full coverage if the title is in my name
The full title of an ambassador is "Ambassador Extraordinary and Plenipotentiary."
It has a noun and a verb used appropriately, so it is a full sentence.
To cite a sentence from a website in MLA format, include the author's last name and the page number in parentheses at the end of the sentence. If there is no author, use the title of the webpage. List the full citation in the Works Cited page with the author, title of the webpage, website name, publication date, URL, and access date.
the title
Normally the title of a book is at the front of the book.
At the beginning of every new sentence or a full stop.
No.
The full name of the element does not need to be capitalized, unless there is some independent grammatical reason for capitalization such as being in a title or the first word of a sentence. Thee chemical symbol for phosphorus, however, should be the single capital letter P.
Topic sentence means the title.