[" Element "M+N_(2)Delta longrightarrow H_(2)O longrightarrow NH_(3)],[" Element M belonging to group "13can" be "]

Element M+N_(2) overset(Delta)to overset(H_(2)O)toNH_(3) element M belonging to group 13 can be

Group 2 elements belong to

Which of the following element belongs to group 2?

In a radioactive decay sequence A (lambda_(1))/(longrightarrow) B (lambda_(2))/(longrightarrow) C (lambda_(3))/ (longrightarrow) D What is the ratio of numbers of atoms of A to the number of atoms of B after long time interval starting with pure A .The mean lives of A and B are 20 hours and "30" minutes respectively

Write the names and electronic configuration of all the elements belonging to group 13.

Cl_(2)+NaOH cold / dil longrightarrow A+ Nacl +H_(2) Cl_(2)+NaoH hot / conc longrightarrow B+Nacl+H_(2) of oxidation numbers of chlorine in A and B is

Among the given elements, choose the elements belonging to group 13 of periodic table. Li, Br, Al