The diagonal partner of element B is.
Li
Al
Si
Mg
Variable oxidation state and degenerated orbital shows
S-block element
P-block element
d- block element
All of these
The element with lowest ionisation potential is
Na
K
Rb
Cs
The element with atomic number 36 belongs to _______ block in the periodic table.
p
s
f
d
Name the element having atomic number 105.
Kurchatovium
Dubnium
Nobelium
Holmium
Which of the following has the highest electron affinity?
F-
O-
O
_________ has highest electronegativity.
F
Br
Cl
I
Electronic configuration of an element 'x' having atomic number 24 is
[Ne]2p53s1
[Ar] 3d64s2
[Ar]3d44s2
[Ar]3d54s1
______ is defined as the tendency of an atom in a molecule to attract the shared pair of electrons towards itself
Electropositivity
Electronegativity
Electron gain enthalpy
Electron affinity
The number of elements present in fifth period of periodic table is
10
8
32
18
