All are periodic properties excluding ____.
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- Ionization energy
- Electronegativity
- Dipole moment
- Electron affinity
Submitted by :- Muhammad Nawaz
CHEMISTRY
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The element whose electronic configuration is 1s2, 2s2, 2p6, 3s2, 3p6, 3d10, 4s2 is a
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- Metal
- Non-metal
- Noble gas
- Metalloid
Submitted by :- Muhammad Nawaz
Which of the mentioned elements is more metallic?
- P
- As
- Sb
- Bi
Submitted by :- Muhammad Nawaz
In the modern periodic table, the period indicates the value of
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- Atomic number
- Atomic mass
- Principal quantum number
- Azimuthal quantum number.
Submitted by :- Muhammad Nawaz
An element with atomic number 20 is placed in which period of the periodic table?
-
- 4
- 3
- 2
- 1
Submitted by :- Muhammad Nawaz
The element having electronic configuration [Kr] 4d10, 4f14, 5s2, 5p6, 5d1, 6s2 belongs to
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- 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
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- 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
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- Number of electrons
- Atomic number
- Number of valence elections
- Atomic number
Submitted by :- Muhammad Nawaz