# 3 - Peridic table Questions Answers

If each orbital can hold a maximum of three electrons , then the number of elements in 9th period of periodic table

Joshi sir comment

3/2 times of the previous number of elements

Zinc but not copper is used for recovery  of Ag From the complex [Ag(CN2)]-  . Why?

Joshi sir comment

Zn is better reducing agent in comparison to Cu for the said complex so it is used

besides it answer by sarika is correct too

Bond angle is maximum in which of the following - PCl3 , NCl3 , BCl3 & AsCl3 and why

Is it true that bond angle decreases down the group?