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mnsoomro
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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…
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] 4 Submitted by :- Muhammad Nawaz
Milikan used ______________ in his atomizer
A. Milk B. Honey C. Oil D. Water Submitted by :- Jamil Ahmed