Related Questions
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Which of the following has the maximum size?
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Law of octaves was given by
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A metal may have atomic number
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Second electron affinity of the elements is always
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Lother Meyer plotted a graph of
A. Atomic volume versus atomic number
B. Atomic radii versus atomic weight
C. Atomic weight versus mass number
D. Atomic volume versus atomic weight
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4
The first atom with maximum number of d-electrons is with atomic number
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4
In C, N, O and F the electronegativity
B. decreases from C to O and then increases to F
C. increases from O to C and then decreases to F
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Which of the following is an inert gas?
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Ionisation energy of potassium is . The minimum frequency of a photon that can effect the ionisation is
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In the periodic table on moving from left to right across a period, the metallic character of elements
C. increases and decreases
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Which of the following has maximum electron affinity ?
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The smallest ion amongst the following
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IV Period has.........elements.
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Elements whose atoms have incompletely filled penultimate energy levels are known as
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, , and are isoelectronic, the order of increasing size is
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Which of the following elements is not liquid at room temperature, i.e., 25°C?
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The general electronic configuration of s-block elements is
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An element A has atomic number 7. It will have properties similar to the element with atomic number
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Elements whose atoms have incompletely filled penultimate and anti-penultimate energy levels are known as
A. Inner Transition elements
B. Representative elements
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Elements in the same vertical column has same
A. valence shell electronic configuration
B. electronic configuration
C. atomic number of isotopes
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Which of the following has maximum ionisation energy?
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Ionisation energy is the amount of energy required to remove
A. the most loosely bound electron from an isolated gaseous atom
B. an electron from an atom of an element
C. an electron from an isolated gaseous atom
D. an electron from covalently bonded atom in a molecule
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Which of the following have maximum size?
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With the increase in atomic number in a period of the periodic table
A. electron affinity decreases
B. metallic character decreases
C. ionisation energy decreases
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Which of the following atoms is paramagnetic?
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Arrange the following set of atoms in the order of increasing atomic radius : F, Cl, C, O
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The pair of elements that exhibit diagonal relationship is
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Which of the following species have minimum size?
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Which of the following has highest ionisation energy?
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Modem Periodic Law was given by