The Russian scientist who created the first successful periodic table of the elements in 1869 was Dmitri Mendeleev.

Here are the steps he took to create it:

1. Mendeleev started by writing the properties of the elements on cards. He wrote one element on each card, along with its atomic weight and its characteristic chemical and physical properties.

2. He then arranged the cards in order of increasing atomic weight. This revealed that elements with similar properties appeared at regular intervals.

3. Mendeleev noticed that the properties of the elements were related to their atomic weights in a 'periodic' way, and arranged them into a table to reflect this.

4. However, he found that he had to leave gaps in this table to keep elements with similar properties in the same vertical columns. He predicted that these gaps would be filled by elements that were yet to be discovered.

5. Over time, his predictions for the properties of these 'missing' elements were proven correct when they were later discovered. This confirmed the validity of his periodic table.

6. Mendeleev's periodic table was the first to gain acceptance in the scientific community and it forms the basis of the modern periodic table of elements.

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The Russian scientist who created the first successful periodic table of the elements in 1869 was Dmitri Mendeleev.

Here are the steps he took to create it:

1. Mendeleev started by writing the properties of the elements on cards. He wrote one element on each card, along with its atomic weight and its characteristic chemical and physical properties.

2. He then arranged the cards in order of increasing atomic weight. This revealed that elements with similar properties appeared at regular intervals.

3. Mendeleev noticed that the properties of the elements were related to their atomic weights in a 'periodic' way, and arranged them into a table to reflect this.

4. However, he found that he had to leave gaps in this table to keep elements with similar properties in the same vertical columns. He predicted that these gaps would be filled by elements that were yet to be discovered.

5. Over time, his predictions for the properties of these 'missing' elements were proven correct when they were later discovered. This confirmed the validity of his periodic table.

6. Mendeleev's periodic table was the first to gain acceptance in the scientific community and it forms the basis of the modern periodic table of elements.

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The Russian scientist who created the first successful periodic table of the elements in 1869 was Dmitri Mendeleev.

Here are the steps he took to create it:

1. Mendeleev started by writing the properties of the elements on cards. He wrote one element on each card, along with its atomic weight and its characteristic chemical and physical properties.

2. He then arranged the cards in order of increasing atomic weight. This revealed that elements with similar properties appeared at regular intervals.

3. Mendeleev noticed that the properties of the elements were related to their atomic weights in a 'periodic' way, and arranged them into a table to reflect this.

4. However, he found that he had to leave gaps in this table to keep elements with similar properties in the same vertical columns. He predicted that these gaps would be filled by elements that were yet to be discovered.

5. Over time, his predictions for the properties of these 'missing' elements were proven correct when they were later discovered. This confirmed the validity of his periodic table.

6. Mendeleev's periodic table was the first to gain acceptance in the scientific community and it forms the basis of the modern periodic table of elements.

What Russian scientist created the first successful periodic table of the elements in 1869?

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