differentiate between the arrangement of elements in Mendeleev periodic table and Modern Periodic Table
Answers
Answered by
2
In Mendeleev's periodic table elements ararranged according to atomic mass
But in modern periodic table elements ararranged according to atomic number
But in modern periodic table elements ararranged according to atomic number
Anonymous:
in mendleevs the elements are arranged in the increasing order of their atomic masses and in mordern elements are arrangedin the increasing order of atomic no.
Answered by
0
Answer:
- Mendeleev's periodic table
- elements are arranged in increasing order of their atomic masses.
- It is not divided into any blocks.
- There are 8 groups.
- Isotopes could not be placed properly.
- Modern periodic table
- Elements are arranged in increasing order of their atomic numbers.
- It is divided into four blocks, namely s-block,p-block,d-block and f-block.
- There are 18 groups.
- Isotopes occupy the same position as the element.
Hope you understood mate!!!
Similar questions