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Long dashes in the Mendellev's periodic table represent the element which were not discovered yet and these elements were discovered later on.

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Why the improvement in Mendeleevs periodic table was made?

To understand the concept of Periodic Table


Main idea of mendeleevs first periodic table?

In Mendeleev's periodic table, the elements were arranged in the increasing order of their atomic masses and repeating periodic properties.


What were mendeleevs discoveries and predictions and discoveries abot the periodic table?

Mendeleev predicted that properties of elements are periodic function of atomic mass. He demonstrated it by creating a table.


What changes were made to the periodic table after Dmitri mendeleevs discovery?

they changed the 3 new Elements.


Mendeleevs periodic table was useful because it enabled scientists to predict properties of unknown?

elements


Which two elements on the periodic tabel would have been placed in different groups in moseleys periodic table but not in mendeleevs?

bi and po


How do hot cheetos represent the periodic table?

No. they dont represent the periodic table.


Who is mendeleevs?

Dmitri Mendeleev was a Russian chemist; he proposed the modern Periodic Table of elements in 1869.


What does As represent on the periodic table?

Arsenic


How was mendeleevs periodic table like todays periodic table?

Mendeleev's periodic table arranged elements by increasing atomic mass and grouped elements with similar properties together. Today's periodic table is similar, but it is arranged by increasing atomic number, which reflects the number of protons in an atom's nucleus. Both tables also show periodic trends in properties as you move across and down the table.


On the periodic table of elements which abbreviation is used to represent gold?

The answer is: Au


What element does Zn represent in the Periodic Table?

Zinc