NEETprep Bank NEET Chemistry Classification of Elements and Periodicity Questions Solved


the tenth element in the periodic table resembles:

(1)the second

(2)the fourth

(3)the fifth

(4)the eight

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Modern Periodic Table
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Which of the following order is not in accordance with the property stated against it ?

                                                                                                           

(a) F2 > Cl> Br2 > l2 Oxidising Power

(b) Hl > HBr >HCl >HF Acidic property in water

(c) F2 > Cl> Br2 > lElectronegativity

(d) F2 > Cl> Br2 > l2 Bond dissociation energy

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Modern Periodic Table
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An element X occurs in short period having configuration ns2np1 . The formula and nature of its oxide are:

(a) XO3, basic

(b) XO3, acidic

(c) X2O3, amphoteric

(d) X2O3, basic

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Nature of Compound
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The outermost electronic configuration of the most electronegative element is :

(a) ns2np3

(b) ns2np4

(c) ns2np5

(d) ns2np6

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Modern Periodic Table
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The elements X, Y, Z and J have the indicated electron configurations starting with the innermost shell. The most metallic element is :

(a) X = 2, 8, 3

(b) Y = 2, 8, 8

(c) Z = 2, 8, 8, 1

(d) j = 2, 8, 8, 7

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#22 | Atomic Radius

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Which statement is true?

(1) the electronegative nature of elements increases along the period

(2) the electropositive nature of elements increases along the period

(3) the chemical reactivity of elements increases along the period

(4) the chemical reactivity of element decreases along the period

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#8 | Ionisation Enthalpy: Introduction
#9 | Calculation of Ionisation Enthalpy
#10 | Factors affecting Ionisation Enthalpy
#11 | Trends in Ionisation Enthalpy
#12 | Application of Ionisation Enthalpy
#13 | Solved Problems

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Ionization Energy (IE)
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The most non-metallic element among the following is:

(a) Be

(b) B

(c) Mg

(d) Al

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Modern Periodic Table
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58Ce is a member of:

(a) s-block elements

(b) p-block elements

(c) d-block elements

(d) f-block elements

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#1 | Electronic configuration of elements
#2 | Predicting Group & Block No. of Elements
#7 | Transition Elements

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Electronic Configuration
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The screening effect of 'd' electrons is :

(a) much less than s-electrons

(b) much more than s-electrons

(c) equal to s-electrons

(d) equal to p-electrons

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#5 | Effective Nuclear Charge (Z Effective)
#6 | Application of Z Effective

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Screening Effect
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Transuranic elements are those which are:

(a) of higher atomic number than uranium

(b) lighter than uranium

(c) of lower atomic number than uranium

(d) of same atomic number as uranium

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Modern Periodic Table
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