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Periodic table with mass, Periodic table with names of elements and Periodic table with atomic number- available in the following table. The Periodic table with mass has been shown in a different table below.
In 1869 Mendeleev stated the Periodic Law which forms the basis for the modern classification of the elements known as the periodic table. The periodic table drawn up by Mendeleev on the basis of the law contained many vacant spaces left for the still undiscovered elements, which have now been all filled up. A modern table based on the Mendeleev’s original one is shown in the diagram below.
Though Mendeleev was constrained to use atomic weight (atomic mass) as his basis for classification into the Periodic Table, later growth of our knowledge of atomic structure has shown that the nuclear charge (i.e atomic number) increases step by step by unity along the Periodic Table.
By arranging the elements in the periodic table on basis of increasing atomic number most of the serious anomalies of the table disappeared or received more meaningful explanation with reference to its atomic structure.
Periodic table with mass, Periodic table with names of elements and Periodic table with atomic number
Periodic table with mass, Periodic table with names of elements and Periodic table with atomic number
Above colour boxes show Key to Periodic table with mass, Periodic table with names of elements and Periodic table with atomic number
Atomic number is defined to be the serial number of an atom in the Periodic Table. Actually it is the number of protons in the nucleus of an atom. It is generally given the symbol Z
Mass Number is defined as the total number of nucleons (protons and neutrons) in an atom. It’s symbol is A. Mass number A is evidently an exact whole number nearest to the Atomic weight. The unit of atomic mass is amu, or daltons, D
Clarification in (Periodic table with mass, Periodic table with names of elements and Periodic table with atomic number)
6 --------------------> Atomic Number (Z)
C ------------------------ > Symbol of Element
Carbon --------------------------- > Name of Element in Periodic Table
12.01 ---------------> Atomic Weight (Number of neutrons + protons)
12=(Converted to nearest whole number) Atomic Mass (A)
Thus Periodic table is one of the most important tools to account for chemistry. It summarizes the atomic properties of each known chemical element, including the atomic number, atomic mass, and the relationship between the elements.
Periodic table can be used to classify substances already revealed by mankind. However, if new substances are discovered, the atomic assembly of new substances can be compared with the elements in the table to classify the new material. Scientists can use the information in the table to digitize how the new substance can be effective or what ingredients can be compared to this new substance.
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