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He put the elements with similar Characteristics into the same column

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βˆ™ 12y ago
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βˆ™ 7mo ago

Dmitri Mendeleev arranged the elements into rows and columns based on their Atomic Mass to show a recurring pattern of properties. This layout, known as the Periodic Table, allowed him to predict the properties of missing elements and demonstrate the periodicity of elemental properties.

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βˆ™ 15y ago

Mendeleev swapped elements around in the periodic table to allow elements with same or similar properties fall under one family/group.

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βˆ™ 13y ago

They are organised into columns depending on the number of outer shell electrons. They are organized into rows depending on the number of electron shells they have, from lowest to highest.

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βˆ™ 10y ago

Mendeleev arranged the elements in the order of their atomic masses. he arranged the elements in columns and rows so that the elements with same characteristics are grouped together.

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Q: Why did mendeleyev change the layout of the elements into rows and columns?
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