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CBSE - X - Chemistry - Periodic Classification of Elements
what is nlx method
Asked by klikhithaklikhitha08
7th June 2020,
9:54 PM
CBSE - X - Chemistry - Periodic Classification of Elements
periodic classification of elements
Asked by vinaydugane
20th June 2019,
9:21 PM
CBSE - X - Chemistry - Periodic Classification of Elements
Then whether the size of noble gas is bigger than the alkali metals?
Asked by shiphalijain
13th March 2017,
5:38 PM
CBSE - X - Chemistry - Periodic Classification of Elements
What is the number of elements in first,second and third period of the periodic table? Give reason for your answer.
Asked by paulineambooken
1st March 2016,
5:05 PM
CBSE - X - Chemistry - Periodic Classification of Elements
How were the following defects in the original Mendeleev's Periodic Table resolved in the modified Mendeleev's Periodic Table?
(i) Problem of Anomalous Pairs
(ii) Position of Rare Earths
(iii) Position of Isotopes
Asked by vatsalchoudhary41
24th February 2016,
6:20 PM
CBSE - X - Chemistry - Periodic Classification of Elements
A n element has mass no 40 and contains 21 electrons in its atom. In which group of periodic table does it belong?
Asked by ESHITA MUKHERJEE
3rd February 2016,
7:10 PM
CBSE - X - Chemistry - Periodic Classification of Elements
it really helped me.. but i want to know that can we find valence electrons in elements with help of 2n^2 formula if yes then how?
Asked by vans75a
2nd January 2016,
7:46 PM
CBSE - X - Chemistry - Periodic Classification of Elements
how to find valence electrons of an element
plz tell with example of
tin krypton strontium and titanium
Asked by vans75a
1st January 2016,
6:02 PM
CBSE - X - Chemistry - Periodic Classification of Elements
how to find valence electrons of an element
plz tell with example of
tin krypton strontium and titanium
Asked by vans75a
1st January 2016,
6:01 PM
CBSE - X - Chemistry - Periodic Classification of Elements
Explain transitional elements in periodic table
Asked by bosesreyan
15th April 2015,
11:49 PM
