Quantum Numbers j,J: Values & Possibility of 0

[bruteforce]

Homework Statement

which values can the quantum numbers j and J take on, can they take on the value 0?

Homework Equations

The Attempt at a Solution

j=l+s and both l and s can be 0 so j can become zero, am I right?

 

[JesseC]

really depends on the context... quantum numbers of what?