0
something to do with protons and stuff.
What else can I help you with?
Who discover the oldest periodic table?
mendeleev
What did Dmitri Mendeleev discover in1869?
Dmitri Mendeleev published his periodic table in 1869.
What century did mendeleev discover periodic table?
The 19th century.
Who discover the old Periodic Table?
Mendeleev discovered old periodic table. He arranged elements in order of atomic masses.
Who discovered a pattern to the elements of the periodic table in 1869?
Demitri Mendeleev discovered a pattern to the periodic table in 1869.
Where did Johann Wolfgang discover the periodic table of elements?
Dmitri Mendeleev is credited with creating the first periodic table of elements in 1869 after noticing a recurring pattern of properties when arranging elements by atomic mass. Johann Wolfgang had no direct involvement in the discovery of the periodic table.
How did Dmitri Mendeleev discover the periodic table with noble gases?
Dmitri Mendeleev did not discover the noble gases as they were not known at the time he created the periodic table. The noble gases were discovered later by other scientists. Mendeleev's periodic table focused on arranging elements by atomic mass and properties to show periodic trends.
How did Mendeleev discover the patter that led to the periodic table?
Mendeleev arranged elements in order of atomic mass. He arranged elements in rows and columns that later helped in discovering modern periodic table.
What did medeleev discover or do?
Mendeleev invented the legendary periodic table and their is a university and chemical element named after him.
What year did mendeleev publish periodic table?
Mendeleev's published the periodic table in 1869.
What was Dmitri Mendeleev first periodic table called?
Dmitri Mendeleev first periodic table is called Mendeleev's periodic table. Elements are arranged according to atomic mass.
What did Dmitri Mendeleev discover?
he drew up a table that grouped elements according to their atomic weights, his table became the basis for the periodic table of elements used today.
