Question

What does it mean that a table is periodic?

Answer 1

Answer:

The periodic table is a tabular array of chemical element organized by atomic no. from the element which is lowest atomic number,hydrogen,to the element which has highest atomic number , oganeeson . the atomic no. of element is the no. of protons in the nucleous of an atom of that element .

Answer 2

Answer:

The periodic table is a tabular array of the chemical elements organized by atomic number, from the element with the lowest atomic number, hydrogen, to the element with the highest atomic number, oganesson. The atomic number of an element is the number of protons in the nucleus of an atom of that element.

Explanation:

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