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Mendeleev calculated atomic number by increasing atomic number, which match the number of protons in an atomic nucleus of a single element

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Did Mendeleev organize the elements by atomic mass or atomic number?

Mendeleev arranged elements in order of increasing mass. Later modern periodic table was discovered that contains elements arranged by atomic number.


What is the difference between the Mendeleev and Mosley periodic laws?

Mendeleev's periodic law, formulated in the 19th century, states that the properties of elements are a periodic function of their atomic mass, leading to the arrangement of elements in his periodic table based on increasing atomic mass. In contrast, Moseley's periodic law, established in the early 20th century, revised this idea by asserting that the properties of elements are better correlated with their atomic number rather than atomic mass. This shift corrected inconsistencies in Mendeleev's table and laid the foundation for the modern periodic table, where elements are arranged by increasing atomic number.


What did mendeleev's ordering actually correspond to?

Atomic mass. The modern table is based on atomic number.


Why was mendeleev's periodic table valid at all?

His table was sorted by atomic mass, not atomic number. (the way today's periodic table is sorted) Mendeleev was almost right, but they did not know about protons at the time. (atomic number is the number of protons in an element) There would have been absolutely no way of him figuring out they were related to atomic number if he didn't even know about atomic number


What particle contributes to the atomic number?

Number of protons are taken. They are arranged by number of protons. Mendeleev arranged elements first according to atomic number

Related Questions

What is the atomic number and how is it used to distiguinsh?

The atomic number is equal to the number of protons in an atomic nucleus; the atomic number is the order number of a chemical element in the periodic table of Mendeleev.


Did Mendeleev organize the elements by atomic mass or atomic number?

Mendeleev arranged elements in order of increasing mass. Later modern periodic table was discovered that contains elements arranged by atomic number.


What is the difference between the Mendeleev and Mosley periodic laws?

Mendeleev's periodic law, formulated in the 19th century, states that the properties of elements are a periodic function of their atomic mass, leading to the arrangement of elements in his periodic table based on increasing atomic mass. In contrast, Moseley's periodic law, established in the early 20th century, revised this idea by asserting that the properties of elements are better correlated with their atomic number rather than atomic mass. This shift corrected inconsistencies in Mendeleev's table and laid the foundation for the modern periodic table, where elements are arranged by increasing atomic number.


Who arranged the periodic table in accordance to atomic number?

Mendeleev


What do you mean by atomic number?

Atomic number = Number of protons = Number of electrons (in the neutral state) Also the atomic number is number of a chemical element in the periodic table of Mendeleev.


What did mendeleev's ordering actually correspond to?

Atomic mass. The modern table is based on atomic number.


Which was NOT used by Mendeleev to organize his periodic table?

Atomic number was not used by Mendeleev to organize his periodic table. He organized the elements based on their atomic mass and properties, leaving gaps for undiscovered elements that were later filled.


What contributes to the atomic number?

Number of protons are taken. They are arranged by number of protons. Mendeleev arranged elements first according to atomic number


An element atomic number is the what?

Atomic number = number of protons = number of electrons (in the neutral state) Also the atomic number is the number of the position of a chemical element in the periodic table of Mendeleev.


Who presented the periodic table according to atomic number?

Dmitri Mendeleev


What do you do with an atomic number and an atomic mass?

The atomic number is the number of a chemical element in the periodic table of Mendeleev; the atomic number is equal to the number of protons and electrons. The atomic mass is the mass of an atom expressed in relative atomic mass units.


What do the numbers on mendeleev's periodic table represent?

The numbers on Mendeleev's periodic table represent the atomic number of each element, which is the number of protons in the nucleus of an atom. This number determines the element's identity and its placement in the periodic table.