We put the period after the word Mr because it's an abbreviation for Mister.
You put a period after all of those in the states, however, the British system requires no period after such abbreviations, Mr Mrs Ms .
Yes, i.e. Mr. , Mrs.
Yes you should always use a period.
after Mr you need to put period and then use space then write name For Example,Mr.Tom
No, but you need to capitalize it. You put a period after Mr. because it is short for Mister. You put a period after Mrs. because it is short for Missus. But Miss is already a short word so doesn't need an abbreviation.
Yes you should always do that
Yes, the general rule is that where a word is abbreviated it is followed by a full stop to indicate this. For instance Mr. is an abbreviation of Mister.
No, "Mr" does not require a period after it. It is considered an abbreviation, and in formal writing, the period is typically omitted.
Yes. Period. Yes, you do.
You put a period at the end of the sentence to indicate that the sentence has ended.
No. You put only one period.
Yes because it is an abbreviation eg Mr. Lawrance, Mr. President