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 ?
CBSE X Chemistry Periodic Classification of Elements
What is the main difference between Mendeleev's and mordern periodic Law?
CBSE X Chemistry Periodic Classification of Elements
Why the position of hydrogen was not fixed in Mendeleev's periodic table .
CBSE X Chemistry Periodic Classification of Elements
On what basis Mendeleev classify the elements?
CBSE X Chemistry Periodic Classification of Elements
Why did Mendeleev left some gaps in his periodic table?
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