D And F Block Elements Flashcards
1
Q
Transition elements are placed in?
A
Period 4-7 and group 3-12
2
Q
Transition elements have which incomplete subshell?
A
D sub shell
3
Q
Why is zinc not regarded as transition element?
A
Since zinc(30) has completely filled (n-1) d otbital in ground state (3d10, 4s2) it is not regarded as transition element.
4
Q
What is general electronic configuration of d block?
A
3d 1-10 4s2
5
Q
Which element has greatest number of oxidation state?
A
Manganese shows oxidation States from +2 to +7
6
Q
Which elements are the exception in d block elements
A
Zn(zinc), Cd (cadmium), Hg(Mercury) and Cn (Copernicium)
