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Answer:

The atomic number is typically located above the element symbol. ... The atomic mass number is equal to the number of protons plus neutrons, which provides the average weight of all isotopes of any given element. This number is typically found beneath the element symbol.

Explanation:

The periodic table is the systematic arrangement of the elements in the increasing order of their atomic number.

What is a periodic table?

The periodic table is the organized arrangement of all the elements, arranged in the increasing order of their atomic numbers.

The elements are grouped into the s-block, p-block, d-block and the f-block elements in the periodic table.

The atomic number is typically located above the element symbol. The atomic mass number is equal to the number of protons plus neutrons,

which provides the average weight of all isotopes of any given element. This number is typically found beneath the element symbol.

Thus the periodic table is the systematic arrangement of the elements in the increasing order of their atomic number.

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