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Trends In The Modern Periodic Table

CBSE X Chemistry Periodic Classification of Elements

How could we determine an element on the basis of given group and/or period ?

Asked by 21st February 2008 7:23 PM
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CBSE X Chemistry Periodic Classification of Elements

Elements of same group have similar properties. Why? 

Asked by pdcavita 29th November 2017 10:27 PM
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CBSE X Chemistry Periodic Classification of Elements

How does atomic size of the elements vary along a period? 

Asked by pdcavita 29th November 2017 10:29 PM
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JEE JEE (Main) Chemistry p-Block Elements

Which of the following ligand is not responsible for symmetrical bond clevage in B2H6??
Me2S
H-
THF
NH3

Asked by Umesh 6th December 2017 12:02 PM
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CBSE X Chemistry Periodic Classification of Elements

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ICSE X Chemistry Periodic Table - Periodic Properties and Variations of Properties

Give reason in the same period or subgroup a gradual change in a particular property may be seen.

Asked by rai.tejaswi2002 28th January 2018 9:44 AM
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CBSE XII Science Chemistry The p-Block Elements.

How to compare between the two elements on the basis of acidic character 

Asked by smritisharma066 31st January 2018 5:06 PM
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ICSE X Chemistry Periodic Table - Periodic Properties and Variations of Properties

The metals of group 2 from the top to bottom are: Be, Mg, Ca, Ba. Which of these metals will form ions most readily and why?

Asked by Yesan 18th February 2018 4:53 PM
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CBSE XII Science Chemistry The p-Block Elements.

Arrange the following in the decreasing order of their reducing character: HF, HCl, HBr, HI

Asked by scholarreema 14th March 2018 12:22 PM
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ICSE X Chemistry Periodic Table - Periodic Properties and Variations of Properties

C part

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ICSE X Chemistry Periodic Table - Periodic Properties and Variations of Properties

Q. 2

Asked by Rayeesa 14th April 2018 9:52 AM
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ICSE X Chemistry Periodic Table - Periodic Properties and Variations of Properties

Q. 2

Asked by Rayeesa 14th April 2018 9:53 AM
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NEET NEET Chemistry

where are poor and strong bases located in periodic table?

Asked by imtiyazmulla68 29th April 2018 9:07 AM
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CBSE X Chemistry Periodic Classification of Elements

What is the periodic trend in the variation of valency while going from left to right within a period? Explain it with reference to period 2 and period 3

Asked by robymjohn123 16th June 2018 10:14 AM
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CBSE XI Science Chemistry Classification of Elements and Periodicity in Properties

How to find strength of oxidising character of an element.

Asked by vaagai2353 30th June 2018 10:40 PM
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ICSE X Chemistry Periodic Table - Periodic Properties and Variations of Properties

In period 2 element A is to the right of element B. 1. The element A would probably have a          (smaller/larger)atomic size than B.

Asked by Khaleel.mah43 23rd July 2018 2:26 PM
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JEE JEE (Main) Chemistry Periodic Table and Periodicity

arrange the followig in increasing order of atomic radii Na,Si,Al,Ar and explain why  

Asked by gargpuneet989 1st August 2018 4:47 PM
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JEE JEE (Main) Chemistry Periodic Table and Periodicity

kindly answer

Asked by arup.isro 15th August 2018 10:57 PM
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