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Dmitri Mendeleev was a Russian chemist who proposed the Periodic Law. He published the first Periodic Table of the chemical elements in 1869, based on the increasing atomic masses of the different elements.
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Why did scientists try to improve Mendeleevs table?
because they did not feel that his table was well enough to be used world wide.
Mendeleevs periodic table of elements was created in 1901?
Mendeleev's periodic table of elements certainly wasn't created in 1901
Simple chemistry-based project proposal?
give me a simple chemistry-based proposal
How could Mendeleevs table be used to predict the properties of elements that had not been discovered?
Comparing the properties of the new element with the properties of the other elements in the group we can make this prediction.
How could you use Mendeleevs periodic table to identitify new elements?
He left gaps for the new elements. The properties could be estimated from the space left by him.
What was the problem with mendeleevs arrangement?
He pooped quite a bit
How was mendeleevs periodic table like todays periodic table?
it has elements
Did Mendeleevs group his elements with those of similar properties?
Yes, this affirmation is true.
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
Which kind of properties fell into families or groups in Mendeleevs system of elements?
Non-metals and Metalloids
Which matches Mendeleevs prediction for the properties of eka-aluminum?
It would be a soft metal with a low melting point.
Was Mendeleevs table a completely regular grid?
not if u mean completely filled in but square by square yes
Difference between project proposal and research proposal?
The difference between a research proposal and a project proposal is that a research proposal may lead to a project proposal eventually. A research proposal involves a plan for learning about something, a project proposal involves money for doing something.
What is the difference between academic research proposal and a project proposal?
The difference between a research proposal and a project proposal is that a research proposal may lead to a project proposal eventually. A research proposal involves a plan for learning about something, a project proposal involves money for doing something.
