Welcome to your E and PP -5
1.
Which lanthanide ion shows highest paramagnetism?
2.
Element with atomic number 120 will be named
3.
Most lanthanides show oxidation state
4.
Symbol of element with Z = 117 is
5.
Root used for digit 7 in IUPAC naming is
6.
Which actinide is used as nuclear fuel?
7.
Actinides show more complex chemistry than lanthanides due to
8.
Which pair shows nearly same atomic radii due to lanthanide contraction?
9.
Root for digit 9 in IUPAC naming is
10.
Which element shows +2 oxidation state prominently among lanthanides?
11.
IUPAC name of element with Z = 118 is
12.
Temporary IUPAC name for element 114 is
13.
Which digit root is used for zero?
14.
Symbol of element with atomic number 113 is
15.
Which actinide exists naturally in maximum amount?
16.
Which actinide is used in atomic bombs?
17.
Most actinides form coloured compounds because
19.
f-block elements are also known as
20.
f-block elements form coloured compounds due to
21.
Actinides show variable oxidation states because
22.
IUPAC name of element Z = 105 is
23.
Lanthanide contraction is due to
24.
Root used for digit 4 in IUPAC naming is
25.
Lanthanides generally form compounds with
26.
Which actinide shows maximum oxidation states?
27.
Which element has completely filled f-orbitals?
28.
Actinide contraction is due to
29.
Which property is common to both lanthanides and actinides?
30.
f-block elements are placed separately because
31.
Magnetic properties of f-block elements are due to
32.
Actinides involve filling of
33.
Lanthanides involve filling of which orbital?
34.
Lanthanide contraction affects which block most?
35.
Separation of lanthanides is difficult due to
36.
Which element belongs to actinide series?
37.
Actinides are radioactive because
38.
Which lanthanide shows +4 oxidation state?
39.
Which actinide has longest half-life?
40.
Which element has atomic number 118?
41.
Lanthanides show very similar chemical properties because
42.
Transuranium elements are those with Z
43.
Actinides are more reactive than lanthanides because
44.
Which lanthanide ion is diamagnetic?
45.
Which lanthanide ion is colourless?