Which of the following metals are present in white metal
A Li,Al
B Li,Pb
C Na,Pb
D Li,Mg

Which of the following lies in the central cell

Which one of the following is most reactive? Li Na K Rb

Which of the following substances are para-magnetic? Bi, Al, Cu, Pb, Ni

Which one of the following is most metallic? Na Mg Al Si

Which of the d orbitals lies in the xy-plane ?

Which of the following metals cannot be extracted by the smelting process ? Al, Zn, Fe and Pb .

Out of the following elements which is the most non-metallic ? Na, Mg and Al.

Which of the following sets belong to the same period ? Li, Na, K Li, Mg, Ca Cu, Ni, Zn F, Cl, Br.

Choose the correct answers: a. Which of the following alkali metal is the most electropositive ? i. Na , ii. K , iii. Rb , iv. Cs b. Which of the following alkali metals has the lowest m.pt. ? i. Li , ii. K , iii. Na , iv. Rb c. Which of the following is the stronger reducing agent ? i. Li , ii. Na , iii. K , iv Rb

Which of the following pairs would have a larger size? Explain. Li^(+) or Na^(+)