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- Good morning, my name is Johann Wolfgang Dobereiner.
- I found three groups of similar elements. They were called the Dobereiner Triads.
- Hello my name is Johann Wolfgang Dobereiner, and I'm a French geologist.
- I found three groups of similar elements I called them the Dobereiner Triads .
- Good afternoon, my name is Henry Cavendish and I discover hydrogen.
- When I was a British and French physicist and chemist I was known for the Cavendish experiment; and as a chemist, for the discovery of hydrogen and the composition of water.
- I did it by writing the properties of the elements, and putting them in order of increasing atomic weight.
- Hello, my name is Dmitri Mendeleev. I discovered the periodic table.
- Good night, my name is Julius Lothar Meyer, I produced several Periodic Tables.
- My first table was organised by their valency. But it wasn't published until 1870.
- Hi my name is Henry Moseley, I was the one who completed the Periodic Table.
- The periodic table was arranged by atomic mass, and this nearly always gives the same order as the atomic number.
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