Compare the contrast the arrangment of elements in mendeleev prodic table and mordern prodic table
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Ответ:
The elements are arranged in the growing order of atomic masses in Mendeleev's periodic table. On the other hand, the cells are placed in the modern periodic table in the vastly increased order of increasing atomic numbers that is a more fundamental characteristic than the orbital radius.
Explanation:
The stance of the elements throughout the Mendeleev periodic table was to comply with the atomic mass. The position of the elements in the modern periodic table is controlled by the electronic structure, which evaluates their characteristics. The place of isotopes in Mendeleev's periodic table was not justified. The category is based mostly on the number of atoms and not the molar weight in the periodic table of elements and thus is justified the location of isotopes. The periodic table provided by Mendeleev had some linguistic factors on the atomic mass. There have been no defects in current periodic law as regards atomic number. For example, potassium had a lesser height in Mendeleev's periodic table than argon. But this has been solved in the Modern periodic table. Argon supersedes phosphorus as atomic number 18 is argon, so potassium has 19. The periodic table on Mendeleev does not authors would like to thank why the characteristics of the components are replicated at frequent intervals of 2, 8, 18, and 32. That is paper outlines by the periodic table of elements. The periodic table of Mendeleev contains no clear cut components of different types of elements. There is a clear cut separation of different types of elements in the modern periodic table, like representative elements, oxygen atoms, affect consumers. The periodic table provided by Mendeleev is not easy to remember. The periodic table Traditional is easy to recall.Ответ:
17.2 g
Explanation:
To calculate the moles :
The balanced chemical equation is:
According to stoichiometry :
4 moles of
produce = 4 moles of 
Thus 0.085 moles of
will require=
of 
Mass of
Thus 17.2 g of
will be produced form 20.0 g of HgS.