CBSE X Chemistry Periodic Classification of Elements
How could we determine an element on the basis of given group and/or period ?
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21st February 2008
7:23 PM
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CBSE X Chemistry Periodic Classification of Elements
Why is the atomic mass considered as the basis of periodic table?
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24th February 2008
3:33 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
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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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NEET1 NEET1 Chemistry
How many elements would be in the IInd period of the Periodic Table if the spin quanturm numbers could have the value +1/2,0,−1/2? Solution For IInd period n=2 hence I m s 0 0 +12,0,−12 1 −1 +12,0,−12 0 +12,0,−12 +1 +12,0,−12 answer is 12. Please explain me the solution
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26th April 2018
11:11 AM
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CBSE X Chemistry Periodic Classification of Elements
what is the easiest way to memorize modern periodic table???
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11th August 2018
10:09 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
Why elements a re arrange in the form of periodic table ? Why hydrogen is placed in first group and first period ?
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10th December 2018
9:25 PM
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CBSE X Chemistry Periodic Classification of Elements
Please solve this really difficult question for me .
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7th February 2019
6:31 PM
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CBSE X Chemistry Periodic Classification of Elements
How were the positions of cobalt and nickel resolved in the modern periodic table?
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20th February 2019
8:31 AM
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CBSE X Chemistry Periodic Classification of Elements
What are the similarities between Mendeleev's periodic table modern periodic tablr
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21st February 2019
1:27 PM
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CBSE XI Science Chemistry Classification of Elements and Periodicity in Properties
In the modern periodic table,the group indicates ?
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31st May 2019
11:39 AM
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ICSE IX Chemistry The Periodic Table
What do you know about the occurrence of elements and their classification?
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22nd August 2019
3:39 PM
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CBSE X Chemistry Periodic Classification of Elements
which is modern perodic law ?
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14th October 2019
4:35 PM
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CBSE X Chemistry Periodic Classification of Elements
Write the merits of dobereiner's triads.
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23rd January 2020
7:40 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
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
i have doubt in chapter 5 of chemistry please explain me thr trends and limitation on modern periodic table
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30th December 2020
10:37 AM
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CBSE X Chemistry Periodic Classification of Elements
Que:-How it can be proved that the basic structure of the Modern Periodic Table is based on the electronic configuration of atoms of different elements?
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26th March 2021
7:43 AM
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ICSE IX Science
State the modern periodic law.
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25th October 2021
9:44 PM
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CBSE X Chemistry Periodic Classification of Elements
Modern period table
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27th December 2021
5:02 PM
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