Related Questions
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An element has atomic number 2. It belongs to
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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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IV Period has.........elements.
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The pair of elements that exhibit diagonal relationship is
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Which of the following is an inert gas?
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Which of the following have negative electron affinity?
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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 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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Which of the following conform both cation and anion?
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The smallest ion amongst the following
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The successive ionisation energies of an atom of an element A are:
, , respectively. The element is most likely to be
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Elements whose atoms have incompletely filled penultimate energy levels are known as
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Which of the following has highest ionisation energy?
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Which of the following has minimum ionisation energy
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Which of the following species have minimum size?
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Which of the following has maximum ionisation energy ?
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Modem Periodic Law was given by
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The lightest metal is
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The differentiating electron enters in the penultimate energy level in the case of
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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 element with no definite place in the periodic table is
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Which of the following has maximum electron affinity ?
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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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The first atom with maximum number of d-electrons is with atomic number
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Which of the following elements have maximum electronegativity?
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A metal may have atomic number
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Which of the following is not an s-block element?
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Which of the following has maximum ionisation energy?
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3.Atomic number of an element X is 34, it belongs to
D. IV period, VII A group