because one side lets you know that its metals and one side lets you know that's it non metals
Yes.
This number you see next to the name on the periodic table is called the atomic number. It is ordered from lightest to heaviest, judging of the weight of an element's specific atom.
The periodic table was first proposed by a Russian chemist Dimitri Mendeleev. The modern periodic table ordered by atomic number was proposed by an English physicist, Henry Moseley.
The periodic table was not 'identified.' It is simply all known elements ordered by similar qualities and atomic number, among other things.
he ordered the elements based on what they're made of.
in ascending order by atomic number (number of protons) of an atom of a particular element. previously, the periodic table had elements ordered by atomic mass.
Elements on a periodic table are ordered based on their atomic number, which represents the number of protons in the nucleus of an atom. This yields a unique and systematic arrangement of elements according to their properties.
This is the periodic table of elements ordered after the atomic number - the atomic number is equal to number of protons in the atomic nucleus. This form of the table is absolutely rational.
The periodic table or chart is a display of all chemical elements which are ordered by atomic number.the atomic number simply tells you how many electrons there are in the atom. It was created by Dmitri Mendeleev then helped change by Henry Moseley because Dmitri Mendeleev had ordered it in atomic mass. It is used to predict where chemical elements are going to be found and where.
Mendeleev arranged the elements in a table ordered by atomic mass, corresponding to relative molar mass as defined today.
It is named The PERIODIC TABLE. The periods being the horizontal rows The groups being the vertical columns.
The scientist who recognized the periodic table for atomic number was Henry Moseley. He discovered that elements should be ordered by atomic number rather than atomic mass, which led to the modern understanding of the periodic table.