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Mendeleev's periodic law was modified primarily due to the discovery of new elements and the development of atomic theory. Initially based on Atomic Mass, it was found that atomic number provided a more accurate basis for organizing elements, leading to the modern periodic law. Additionally, discrepancies in element properties revealed that some elements were incorrectly placed based on mass alone, necessitating a rearrangement in the Periodic Table. This shift led to the modern understanding of the periodic table, emphasizing the periodicity of elements based on atomic number rather than mass.
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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......
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
Is Newton's second law of motion a modified form of Newton's first law of motion?
from this law we can relate 1st and 3rd law : f = ma from this we can say that until and unless force acts on a body it will remain in motion or in rest. when we hit a wall with our hand the wall gives equal and opposite magnitude to our hand fa1m1 = -fm2a2
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.
Is a scientific law constantly modified?
A scientific law may be constantly tested but, as if the outcomes are consistent with the predictions of the law, the law is not modified.
Is A scientific law is constantly modified?
A scientific law may be constantly tested but, as if the outcomes are consistent with the predictions of the law, the law is not modified.
What was the problem with mendeleevs arrangement?
He pooped quite a bit
Can a child support order be cancelled?
It can be modified or terminated by the court if there is a very good reason for doing so.It can be modified or terminated by the court if there is a very good reason for doing so.It can be modified or terminated by the court if there is a very good reason for doing so.It can be modified or terminated by the court if there is a very good reason for doing so.
What has to happen in order for a scientific theory or law to be modified?
A repeatable experiment proving the modified theory has to be documented and repeated...generally by multiple labs.
Can ObamaCare be overturned by a new president?
Yes, any law can be repealed or modified by another law, and any part of the Constitution can be repealed or modified by another Constitutional Amendment except those that specifically say they can't be.
What was the problem with Mendeleevs table?
He left too many spaces between the elements......
What value was there in predicting the properties for gaps in Mendeleevs table?
DiscoVery of new elements
Did Mendeleevs group his elements with those of similar properties?
Yes, this affirmation is true.
What law is the reason rockets work?
Galileo's law
Can executor of a will take others out?
The executor cannot change the will. They have to execute the will as it was written and as modified by law.
What changes were made to the periodic table after Dmitri mendeleevs discovery?
they changed the 3 new Elements.
