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Positions Of Elements In The Modern Periodic Table

CBSE XI Science Chemistry Classification of Elements and Periodicity in Properties

sir which is the best method to learn s-block elements &p-block elements ?

Asked by 25th February 2008 4:53 PM
Answered by Expert

CBSE X Chemistry Periodic Classification of Elements

In which period and group would you place the elements with following electronic configurations. 
(¡) 2,8 (¡¡)2,5

Asked by pdcavita 29th November 2017 10:18 PM
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CBSE X Chemistry Periodic Classification of Elements

A metal M forms an oxide having the formula M2O3. It belongs to third period in the mordern periodic table . Write the atomic number and valency of the metal.

Asked by pdcavita 29th November 2017 10:26 PM
Answered by Expert

CBSE X Chemistry Periodic Classification of Elements

'Hydrogen occcupies a unique position in the Modern Periodic Table'. Justify the statement.

Asked by Omkar 2nd January 2018 4:44 PM
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CBSE X Chemistry Periodic Classification of Elements

How to find the period and group number when atomic number is given?? 

Asked by veena23_anandk 4th February 2018 1:04 PM
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CBSE X Chemistry Periodic Classification of Elements

Why is atomic number considered to be a more appropriate parameter than atomic mass for the classification of elements in a periodic table?

Asked by prabal 14th March 2018 9:36 AM
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CBSE X Chemistry Periodic Classification of Elements

how were the positions of cobalt andnickel resolved in the modern periodic table

Asked by shamim.ayanahmad 14th March 2018 11:58 PM
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ICSE X Chemistry Periodic Table - Periodic Properties and Variations of Properties

C part

Asked by lovemaan5500 18th March 2018 3:18 PM
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ICSE X Chemistry Periodic Table - Periodic Properties and Variations of Properties

an alkali metal in period 3 and halogen in period 2  

Asked by VasuNishad123 8th April 2018 11:31 AM
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CBSE X Chemistry Periodic Classification of Elements

is is necessary to memorise periodic table.

Asked by vaagai2353 30th June 2018 10:41 PM
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CBSE X Chemistry Periodic Classification of Elements

    what is the easiest way to memorize modern periodic table???

Asked by edayoor 11th August 2018 10:09 PM
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ICSE IX Chemistry The Periodic Table

How many period and groups are there in modern periodic table  

Asked by disharksh04 13th August 2018 6:45 PM
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ICSE IX Chemistry The Periodic Table

Tell me first 30 atom in periodic tabel  

Asked by Avnijoc2111 30th October 2018 8:00 PM
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CBSE X Chemistry Periodic Classification of Elements

How to find the period or group number of an element given ?

Asked by jennithdvk 4th December 2018 6:32 PM
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CBSE X Chemistry Periodic Classification of Elements

Why elements a re arrange in the form of periodic table ? Why hydrogen is placed in first group and first period  ?

Asked by bhoiipsita6 10th December 2018 9:25 PM
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CBSE X Chemistry Periodic Classification of Elements

which elements are imp in periodic table   

Asked by jain.nishi1996 12th January 2019 2:37 PM
Answer Verified by Expert

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