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An Element Has Same Number Of Electrons In I And IV Shells And In The II And III Shells

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(i) An Element X Has Both The Shells (ii) In Which Group Of The Periodic Table (iii) Write Its Electronic Configuration

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(i) What Term Can Be Used For (ii) Give The Names Of The Metalloids (iii) In Which Groups Of The Periodic Table

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Taking The Example Of An Element Of Atomic Number =16,

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(i) How Does Electronic Configuration Of An Atom (ii) Which Element Has A Total Of Three Shells

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Which Of The Following Elements Belong To (i) Same Period? (ii) Same Group Explain Giving Reason.

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Atomic Number Of Three Elements X,Y And Z Are Given Below

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(i) Name The Element With Atomic Number 7 (ii) To Which Group Does It Belong? (iii) To Which Period Does It Belong? (iv) Write Its Electronic Configuration.

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Hydrogen Occupies A Unique Position In Modern Periodic Table, Justify The Statement.

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Give An Account Of The Process Adopted By Mendeleev For The Clarification Of Elements. How Did He Arrive At "periodic Law"?

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The Element With Atomic Number 14 Is Hard And Forms Acidic Oxide And A Covalent Halide.

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Which Group Of Elements Will Form An Acidic Oxide?

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Write The Correct Increasing Order Of The Atomic Radii Of O, F And N.

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Where Would You Locate The Element With Electronic Configuration 2, 8 In The Modern Periodic Table?

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Out Of Two Elements, Potassium And Sodium, Which One Can Lose Electron Easily? Give Reason For Your Answer

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Out Of The Two Elements X And Y Which Has Bigger Atomic Radius?

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Elements A, B, C And D Have Atomic Numbers 1, 8, 11 And 19 Respectively

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Account For The Following: Elements Of Group 18 Are Called Zerovalent

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Account For The Following: Elements Of Group 17 Are Monovalent

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Write The Atomic Numbers Of Two Elements X And Y Having Electronic Configuration 2,8,2 And 2,8,6 Respectively.

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What Is Meant By Periodicity In Properties Of Elements With Reference To Periodic Table?

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Assertion : Electronegativity Of Flourine Is Reason : The Electronegativity Of The Elements Increases

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Assertion : Noble Gases Are Also Called Inert Gases. Reason : Noble Gases Have A Complete Octet

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Assertion : Elements Of Group 16 Are Monovalent. Reason : Elements Of Group 16 Have Seven Electrons

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Assertion : The Elements Of The Same Group Reason : The Elements Of The Same Group Have The Different Number

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Assertion : Be, Mg And Ca Can Be Classified Reason : Atomic Mass Of Mg Is Approximately

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Which Of The Following Property Increases Down The Group?

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What Type Of Oxide Would Eka-aluminium Form?

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Select The Correct Pair That Have Largest And Smallest Atoms Respectively

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Which Of The Following Statements Is Incorrect For Atomic Size?

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An Element Has Same Number Of Electrons In I And IV Shells And In The II And III Shells

(i) An Element X Has Both The Shells (ii) In Which Group Of The Periodic Table (iii) Write Its Electronic Configuration

(i) What Term Can Be Used For (ii) Give The Names Of The Metalloids (iii) In Which Groups Of The Periodic Table

Taking The Example Of An Element Of Atomic Number =16,

(i) How Does Electronic Configuration Of An Atom (ii) Which Element Has A Total Of Three Shells

Which Of The Following Elements Belong To (i) Same Period? (ii) Same Group Explain Giving Reason.

Atomic Number Of Three Elements X,Y And Z Are Given Below

(i) Name The Element With Atomic Number 7 (ii) To Which Group Does It Belong? (iii) To Which Period Does It Belong? (iv) Write Its Electronic Configuration.

Hydrogen Occupies A Unique Position In Modern Periodic Table, Justify The Statement.

Give An Account Of The Process Adopted By Mendeleev For The Clarification Of Elements. How Did He Arrive At "periodic Law"?

The Element With Atomic Number 14 Is Hard And Forms Acidic Oxide And A Covalent Halide.

Which Group Of Elements Will Form An Acidic Oxide?

Write The Correct Increasing Order Of The Atomic Radii Of O, F And N.

Where Would You Locate The Element With Electronic Configuration 2, 8 In The Modern Periodic Table?

Out Of Two Elements, Potassium And Sodium, Which One Can Lose Electron Easily? Give Reason For Your Answer

Out Of The Two Elements X And Y Which Has Bigger Atomic Radius?

Elements A, B, C And D Have Atomic Numbers 1, 8, 11 And 19 Respectively

Account For The Following: Elements Of Group 18 Are Called Zerovalent

Account For The Following: Elements Of Group 17 Are Monovalent

Write The Atomic Numbers Of Two Elements X And Y Having Electronic Configuration 2,8,2 And 2,8,6 Respectively.

What Is Meant By Periodicity In Properties Of Elements With Reference To Periodic Table?

Assertion : Electronegativity Of Flourine Is Reason : The Electronegativity Of The Elements Increases

Assertion : Noble Gases Are Also Called Inert Gases. Reason : Noble Gases Have A Complete Octet

Assertion : Elements Of Group 16 Are Monovalent. Reason : Elements Of Group 16 Have Seven Electrons

Assertion : The Elements Of The Same Group Reason : The Elements Of The Same Group Have The Different Number

Assertion : Be, Mg And Ca Can Be Classified Reason : Atomic Mass Of Mg Is Approximately

Which Of The Following Property Increases Down The Group?

What Type Of Oxide Would Eka-aluminium Form?

Select The Correct Pair That Have Largest And Smallest Atoms Respectively

Which Of The Following Statements Is Incorrect For Atomic Size?

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