The element having electronic configuration [Kr] 4d10, 4f14, 5s2, 5p6, 5d1, 6s2 belongs to
-
- s-Block
- p-Block
- d-Block
- f-Block
Submitted by :- Muhammad Nawaz
Which block of the periodic table contains maximum number of metals?
-
- s-Block
- p-Block
- d-Block
- f-Block
Submitted by :- Muhammad Nawaz
The amount of energy released by absorbing one electron inn the valence shell is
-
- Ionization energy
- Electronegativity
- Electron affinity
- Lattice energy
Submitted by :- Muhammad Nawaz
The elements having low ionization energy are
-
- Non metals
- Metalloids
- Metals
- None of A, B, and C
Submitted by :- Muhammad Nawaz
Elements in the same vertical group of the periodic table have same
-
- Number of electrons
- Atomic number
- Number of valence elections
- Atomic number
Submitted by :- Muhammad Nawaz
Lothar Meyer plotted a graph showing variation of
-
- Atomic volume with increase in atomic number
- Atomic volume with increase in atomic weight
- Atomic radii with increase in atomic weight
- Atomic weight with increase in atomic number
Submitted by :- Muhammad Nawaz
The law of triads was proposed by
-
- Dobereiner
- Newlands
- Lothar Meyer
- Chancourtois
Submitted by :- Muhammad Nawaz
In Mendeleev’s periodic table, elements are arranged in the increasing order of their
- Numbers of neutrons
- Atomic number
- Atomic weight
- Atomic volume
Submitted by :- Muhammad Nawaz
The bond order for N2 molecule is:
[a] 1
[b] 2
[c] 3
[d] 4Submitted by :- Muhammad Nawaz
Milikan used ______________ in his atomizer
A. Milk
B. Honey
C. Oil
D. Water
Submitted by :- Jamil Ahmed