What is the end product formed when KMnO4 reacts with HCl?

Which of the following is used as a nuclear fuel?

Which of the following has the highest atomic number?

The decrease in atomic size of the d-block elements in a series is small after midway.

Among d-block elements, the most abundant element belongs to the first transition state.

All actinoids are diamagnetic in nature.

What is the general electronic configuration of the lanthanides?

Where does the last electron of d-block element go?