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 ?
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25th February 2008
4:53 PM
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CBSE X Chemistry Periodic Classification of Elements
What is the main difference between Mendeleev's and mordern periodic Law?
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29th November 2017
10:16 PM
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CBSE X Chemistry Periodic Classification of Elements
Why the position of hydrogen was not fixed in Mendeleev's periodic table .
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29th November 2017
10:21 PM
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CBSE X Chemistry Periodic Classification of Elements
On what basis Mendeleev classify the elements?
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29th November 2017
10:22 PM
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CBSE X Chemistry Periodic Classification of Elements
Why did Mendeleev left some gaps in his periodic table?
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29th November 2017
10:23 PM
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NEET1 ALL Class Inorganic Chemistry I Periodic Table and Periodicity
periodic table of today owes it development to two chemist namely
1) RutherFord and moseley
2) Alexander newlands and dobereiner
3)mendeleev and lothar meyer
4)de broglie and neil bohr
periodic table of today owes it development to two chemist namely
1) RutherFord and moseley
2) Alexander newlands and dobereiner
3)mendeleev and lothar meyer
4)de broglie and neil bohr
Asked by ashutosh25807
10th December 2017
8:35 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?
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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
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14th March 2018
11:58 PM
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ICSE X Chemistry
what is easy way to memorize periodic table
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5th May 2018
11:23 AM
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ICSE IX Chemistry The Periodic Table
How many period and groups are there in modern periodic table
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13th August 2018
6:45 PM
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CBSE X Chemistry Periodic Classification of Elements
........ is called as the father or architect of periodic table. Name the element having a duplet state naturally.
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1st December 2018
12:58 PM
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CBSE X Chemistry Periodic Classification of Elements
Which period of modern periodic table is told to be incomplete and why
Asked by saradamahapatra9999
18th February 2019
11:24 AM
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CBSE X Chemistry Periodic Classification of Elements
the neutron was discovered in 1932 then how mendeleev calculated atomic mass
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18th February 2019
4:14 PM
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CBSE X Chemistry Periodic Classification of Elements
What are the similarities between Mendeleev's periodic table modern periodic tablr
Asked by saradamahapatra9999
21st February 2019
1:27 PM
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CBSE X Chemistry Periodic Classification of Elements
Please write all the trends in groups and periods of periodic table with reasons (each reason should be atleast of 3 -4 lines)
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9th March 2019
10:50 AM
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Maharashtra X Chemistry
How many groups and periods are there in Mendeleev's periodic table?
Asked by saradamahapatra9999
21st June 2019
2:45 PM
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CBSE X Chemistry Periodic Classification of Elements
How many groups and periods were in Mendeleev's periodic table?
Asked by saradamahapatra9999
22nd June 2019
1:11 PM
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CBSE X Chemistry Periodic Classification of Elements
Write note on position of isotopes in the Mendeleev's and modern periodic table
Asked by prathameshmane3622
10th July 2019
8:52 PM
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CBSE X Chemistry Periodic Classification of Elements
The position of cobalt and nickel was anomalous pair in Mendeleev's periodic table. Please explain if it was merit or demerit of Mendeleev's periodic table?
Asked by saradamahapatra9999
10th August 2019
11:35 AM
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ICSE IX Chemistry The Periodic Table
What do you know about the occurrence of elements and their classification?
Asked by rps3330397
22nd August 2019
3:39 PM
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CBSE X Chemistry Periodic Classification of Elements
Please answer the 17
Asked by nk9764831
12th February 2020
10:23 PM
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CBSE XI Science Chemistry Classification of Elements and Periodicity in Properties
what is vertical Collumn
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24th February 2020
3:23 PM
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CBSE X Chemistry Periodic Classification of Elements
state three main points of difference between Mendeleev periodic table and Modern Periodic Table
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21st April 2020
2:59 PM
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CBSE X Chemistry Periodic Classification of Elements
compare and contrast the arrangement of elements in 'mendeleev's periodic table and the modern periodic table
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22nd April 2020
9:57 AM
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CBSE X Chemistry Periodic Classification of Elements
please help me with the 3rd question
Asked by acshanadhana15
1st September 2020
7:13 PM
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CBSE X Science
Distinguish between mendeleeve's periodic table and the modern periodic table
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15th October 2020
10:25 AM
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ICSE VII Chemistry Atomic Structure
The tabular arrangment of elements in horizontal row and vertical columns.............
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20th February 2021
9:48 AM
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ICSE X Chemistry Periodic Table - Periodic Properties and Variations of Properties
what is periodic table explain
Asked by bhatmanzil76
29th June 2021
9:20 AM
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ICSE X Chemistry Periodic Table - Periodic Properties and Variations of Properties
want to learn periodic table chapter
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15th September 2021
7:49 PM
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ICSE IX Chemistry The Periodic Table
why did mendeleevs leave some gaps in his periodic table of elements? Explain your answer with an example
Asked by sachikotecha15
29th December 2021
3:58 PM
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JEE Main Chemistry Classification of Elements and Periodicity in Properties
explain about periodic table
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24th July 2023
11:54 PM
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