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Why the improvement in Mendeleevs periodic table was made?
To understand the concept of Periodic Table
What value was there in predicting the properties for gaps in Mendeleevs table?
DiscoVery of new elements
What was the problem with Mendeleevs table?
He left too many spaces between the elements......
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
What chemical family is hydrogen in?
Hydrogen is in its own chemical family as a nonmetal element on the periodic table.
Was Mendeleevs table a completely regular grid?
not if u mean completely filled in but square by square yes
On the periodic table which chemical family is Aluminium located in?
Aluminium is located in the Group IIIA - the Boron family on the periodic table.
Which political party was absent from the first round table conference in 1930?
The Congress was absent from the First Round Table.
What is silicon's chemical family?
silicon belongs in the carbon family of the periodic table of elements
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.
