Psychological disorders carry a stigma for some people. This means that: A. they have irrational shame because of it. B. they believe they have done everything right. C. they believe they are possessed. D. they don't know how to get medication for it.

Argon, neon, and xenon are examples of

Give one example to show that when substances are mixed, it may result in a chemical or a physical change depending on the conditions.

Two conductors, a and b, are each in the shape of a tetrahedron. but of different sizes. they are charged in the following manner: 1. tetrahedron a is charged from an electrostatic generator to charge q. 2. tetrahedron a is briefly touched to tetrahedron b. 3. steps 1 and 2 are repeated until the charge on tetrahedron b reaches a maximum value. if the charge on tetrahedron b was q/4 after the first time it touched tetrahedron a. what is the final charge qbmax on tetrahedron b?