Which has a strong readucing character among the following

Which has a strong reducing character among the following

The metallic character is high among the following

Out of Lithium and Potassium, which one has strong metallic character and why?

Which among the following is strong acid?

Which of the following characters is not among the seven characters considered by Mendel for his hybridization experiments ?

Out of Li and K which has strong metallic character?