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History of the Periodic Table Starter Interactive Worksheet - Edform - Free Printable

Educational worksheet: History of the Periodic Table Starter Interactive Worksheet - Edform. Download and print for classroom or home learning activities.

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- Mosely: Determined atomic numbers using X-rays and ordered elements by these.
- Newlands: Ordered elements by atomic mass and noticed patterns in every 8th element.
- Mendeleev: Ordered the elements by atomic mass, and sorted into groups according to their properties.
- Lavoisier: Classified into metals and non-metals.
- Döbereiner: Sorted elements into groups of 3 called “triads”.

Parent Tip: Review the logic above to help your child master the concept of history of the periodic table worksheet.

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