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1. He classified some elements into groups of three, which he called triads.

3. He was called the Father of the Modern Periodic Table

6. He moved 14 elements out of the main body of the periodic table to their
current location below the Lanthanide series and now known as the
Actinide series.​


Sagot :

Answer:

1. He classified some elements into groups of three, which he called triads.

Johann Döbereiner

3. He was called the Father of the Modern Periodic Table

Dmitri Mendeleev

6. He moved 14 elements out of the main body of the periodic table to their

current location below the Lanthanide series and now known as the Actinide series.

Glenn Seaborg