Among the following gaseous elements with atomic numbers, which will have greater rate of effusion?
(A) Z= 7
(B) Z= 8
(C) Z= 9
(D) Z= 10

Name of element with atomic number (z)=110.

The symbol of element with atomic number Z = 109

The element with atomic number Z = 118 will be categorised as a:

The IUPAC name of the element with atomic number Z = 109 is

Out of the following transition elements, the maximum number of oxidation states are shown by (a) Sc(Z=21) (b) Cr (Z=24) (c) Mn (Z=25) (d) Fe (Z=26)

Which of the following statement is correct for an element having atomic number (z)=98?

Among the elements with Z = 9, 12 and 36 , identify by atomic number of an element which is (a) Highly electropositive (b) Highly EN ( c) An inert gas