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12y ago

Atomic Mass & the number of chemical bonds an element could form.

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8y ago

Examples are: gallium, germanium, technetium etc.

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6y ago

I think to atomic weight and density.

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Q: What are the two especially important properties that Dmitri mendeleev noted about the elements?
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Related questions

Why were the elements Ga Sc and Ge important to Mendeleev?

Ga, Sc and Ge were important to Mendeleev because these three elements have the same physical and chemical properties.


True or false mendeleev also grouped elements that has similar properties?

Yes. Mendeleev did group elements in similar properties.


How did Mendeleev list the elements?

The most important principle was the listing in groups, after similar chemical or physical properties.


Which discovery showed that Mendeleev was correct in organizing his table of elements according to properties?

Gallium which had the properties that Mendeleev predicted


Mendeleev was the first to arrange elements according to their properties in a?

Mendeleev arranged the elements according to their atomic weight and valence.


Why were the elements important to Mendeleev?

Chemical elements arrangement was the object of study for Mendeleev.


Was Mendeleev's periodic table accurate enough that he was able to use it to predict the existence and several properties of certain elements that had not yet been discovered?

Mendeleev was able to predict the properties of the elements that were not discovered at that time. He left gaps for these elements in his Periodic Table.


What properties of elements did mendeleev list as he began to organize the elements?

Mendeleev arranged the elements in the increasing order of their atomic masses and repeating properties.


Who is demetrius mendeleev and why is he important to chemistry?

Dmitri Ivanovich Mendeleev was a Russian chemist and inventor. He is credited as being the creator of the first version of the periodic table of elements. Using the table, he predicted the properties of elements yet to be discovered.


Who arranged the elements by atomic mass and used it to predict properties of missing elements?

Independently by Dmitri Mendeleev and Lothar Meyer in 1869


The usefulness of Mendeleev's periodic table was comfirmed by?

The usefulness of Mendeleev's periodic table was confirmed by the discovery of elements with predicted properties.


What is the contrribution of Dmitri mendeleev?

Dmitri mendeleev arranged elements in order of increasing atomic masses. He considered chemical properties of the elements, their oxides and nitrides.