Related Questions
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The differentiating electron enters in the penultimate energy level in the case of
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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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4
Which of the following have maximum size?
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Which of the following conform both cation and anion?
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In the Mendeleef's periodic table properties of the elements are the periodic function of their
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Which of the following is an inert gas?
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Which of the following elements is not liquid at room temperature, i.e., 25°C?
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An atom of an element has electronic configuration , the element belongs to block
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Which of the following have negative electron affinity?
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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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Arrange the following set of atoms in the increasing order of electron affinity: F, Sr, Ge, Se
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Modem Periodic Law was given by
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Which of the following atoms is paramagnetic?
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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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A metal may have atomic number
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Second electron affinity of the elements is always
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The smallest ion amongst the following
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The heaviest element is
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Which of the following has minimum ionisation energy?
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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 elements have maximum electronegativity?
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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 did not find a place in Mendeleef's periodic table?
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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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4
An element A has atomic number 7. It will have properties similar to the element with atomic number
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The first atom with maximum number of d-electrons is with atomic number
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Which of the following has minimum ionisation energy
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The general electronic configuration of s-block elements is
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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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Which of the following has maximum ionisation energy ?