What were the main draw backs of the Mendeleev's periodic table?
Asked by Topperlearning User
27th June 2016,
11:01 AM
Answered by Expert
Answer:
The main draw backs of the Mendeleev's periodic table are as follows:
i) The position of hydrogen in the periodic table was not certain, it was placed in first as well as eighth group.
ii) Some elements of higher atomic weight were placed before the elements with lower atomic weight.
iii) Lanthanides and actinides were not given a proper position.
iv) Isotopes of elements were placed in the same position in the table.
v) The noble gases were not given any space in the periodic table.
vi) Some chemically similar elements were placed in different groups and some dissimilar elements were placed in the same group.
Answered by Expert
27th June 2016,
1:01 PM
Rate this answer
- 1
- 2
- 3
- 4
- 5
- 6
- 7
- 8
- 9
- 10
You have rated this answer /10
Your answer has been posted successfully!
Free related questions
10th October 2016,
6:05 PM
13th October 2016,
11:53 AM
14th October 2016,
10:19 AM
14th October 2016,
10:38 AM
14th October 2016,
10:39 AM
RELATED STUDY RESOURCES :
Browse free questions and answers by Chapters
- 1 Some Basic Concepts of Chemistry
- 2 Structure of Atom
- 3 Classification of Elements and Periodicity in Properties
- 4 Chemical Bonding and Molecular Structure
- 5 States of Matter
- 6 Thermodynamics
- 7 Equilibrium
- 8 Redox Reactions
- 9 Hydrogen
- 10 The s-Block Elements
- 11 The p-Block Elements
- 12 Organic Chemistry
- 13 Hydrocarbons
- 14 Environmental Chemistry
Trending Tags
Latest Questions
CBSE XII Science Mathematics
Asked by alanpeter9611
17th February 2019,
3:03 AM
