Who is credited with creating the first periodic table? johann dobereiner henry moseley dmitri mendeleev john newlands

The answer is Dmitri Mendeleev

Dmitri Mendeleev is the correct answer.

Explanation:

The first periodic table was created by Dmitri Mendeleev.

In the periodic table, he arranged the elements according to their atomic number.

All the elements were placed in order of their increasing atomic number.

horizontal row in a periodic table is called periods and the vertical column is called group.

He created the Periodic Law and based on this he corrected the chemical properties of the elements that were already present in the periodic table.

it is the most commonly accepted one

the ratio of the conjugate base to the acid required to attain the desired ph.