______ 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
Identify the correct electronic configuration of Cr (Z=24)
1s2, 2s2, 2p6, 3s2, 3p6, 3d7, 4s1
1s2, 2s2, 2p6, 3s2, 3p6, 3d5, 4s2
1S2, 2s2, 2P6, S2, 3P6, 3d7, 4s2
1S2, 2S2, 2P6, 3S2, 3P6, 3d6, 4S2
Name the element having atomic number 105.
Kurchatovium
Dubnium
Nobelium
Holmium
The element with atomic number 36 belongs to _______ block in the periodic table.
p
s
f
d
The element with lowest ionisation potential is
Na
K
Rb
Cs
The diagonal partner of element B is.
Li
Al
Si
Mg
The ionisation energy will be maximum for
Be
B
H
Electronic configuration of an element 'x' having atomic number 24 is
[Ne]2p53s1
[Ar] 3d64s2
[Ar]3d44s2
[Ar]3d54s1
Correct order of raddi is
Na < Be < B
F- < O2 - < N 3-
Na < Li < K
Fe3+ < Fe2+ < Fe4+
Molybdenum metal is related to which block?
S- block
P-block
d - block
none of these
