Worksheetsd block elements
Total questions: 5
Worksheet time: 4mins
Name
Class
Date
1.
Atomic number of Iron(Fe) is
a)
28
b)
26
c)
21
d)
25
2.
d-block elements are known as transition elements because
a)
they transit metallic properties of s-block into non-metallic properties of p block
b)
last electron of these elements occupy d-orbital
c)
all of these are metals
d)
all of these elements are coloured
3.
First transition series is called as ….
a)
4d series
b)
3d series
c)
5d series
d)
None of these
4.
electronic configuration of zinc is ....
a)
18 [Ar] 4s2 3d10
b)
18 [Ar] 4s2 3d9
c)
18 [Ar] 4s1 3d10
d)
None of these
5.
Nb and Ta shows similar properties due to similar atomic radius.
a)
True
b)
False
c)
Maybe
d)
I don't know
100 %
