I'm not English native speaker, that's why I'd like to understand the following thing:

What is the difference between "Chemistry students' group" and "Chemistry student's group"?

What is the meaning of the apostrophe in this case?

Thank you!


When you have a plural word ending with 's', we put apostrophe 'after' the 's'.

Chemistry students' group

A group that consists of many chemistry students. Here, students are 'plural' and you are talking about those plural students' group.

Chemistry student's group

Here, you are talking about a chemistry student (one). The group belongs to him/her.

So, to conclude, apostrophe after 's' talks about more than one student (students) and before 's' talks about a single student's group.

  • 1
    Excellent explanation!!! Thank you for your comment – Judicious Allure Apr 8 '15 at 6:05

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