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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 are the rows in the periodic table caaled?
The rows in the periodic table are called periods. There are 7 periods in periodic table.
What are characteristics of periods in the periodic table?
Periods have same shells. There are 7 periods in periodic table.
How many periods of element are on a periodic table?
The periodic table has 7 periods on it.
Are periods horizontal rows on the periodic table?
rows. the vertical columns are called periods
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 are periods in the periodic table best represnted by?
The horizontal rows on the periodic table are periods.
How many periods are there on the modern periodic table?
The modern periodic table has seven periods.
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 are periods in the periodic table mean?
Periods are horizontal rows. 7 periods are present in modern periodic table.
