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It tells you how many protons an atom of an element has. It is the basis of the arranegement of the Periodic Table and has taken the scientific world a long time to discover. About 1860 C. E. Mendeleyev published the first such table.

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Related Questions

Why do we need atoms?

According to modern Periodic Table Atomic numbers are the fundamentals in order to explain the properties of an atom.One thing more and that is the concept of isotopes also make the atomic masses less strong to explain atomic properties which has no effect on atomic numbers.


What element has the atomic number for 3.14?

No element has this atomic number. All atomic numbers are whole numbers.


What is an example of atomic numbers?

Atomic number= number of protons. Hydrogen atomic number=1


What is a non example of a atomic number?

Only the counting numbers can exist as atomic numbers. Fractions and decimals cannot be an atomic number.


Why do elements of even atomic numbers are more abundant than that of odd numbers?

Elements with even atomic numbers are more abundant than those with odd atomic numbers because of nuclear stability. Elements with even atomic numbers have equal numbers of protons and neutrons, resulting in more stable nuclei due to pairing effects. This stability makes it easier for elements with even atomic numbers to be formed through various nuclear processes, leading to their higher abundance compared to elements with odd atomic numbers.


What are the atomic numbers of boron?

The atomic number of boron is 5.


Who made atomic numbers?

M.GMosly found the atomic number. Atomic number is equals to protons.


How elements arranged according to increasing atomic number?

atomic numbers


How many atomic numbers does oxygen has?

The atomic number for Oxygen is 8.


What is starches atomic number?

starches is a compound. Copouds does not have atomic numbers.


Does STONE have an atomic number?

No, stones are typically made up of minerals or compounds which do not have atomic numbers. Atomic numbers are unique identifiers for elements in the periodic table.


What is the deference between the atomic number?

they describe the same thing. Proton numbers are unique to each element, as are atomic numbers