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How have you grown in science this year  thus far?

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How have you grown in science this year  thus far?

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I understand the basic science and know about Molecules and atoms now. (Sienna)

I've learned a lot about physical and chemical changes :) (Taty)

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What did you know about your topic prior to the research project, and what new information have you learned during the research part of the assignment?

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What did you know about your topic prior to the research project, and what new information have you learned during the research part of the assignment?

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Me and Taty only knew that Mendeleev made the periodic table, but we learned that in 1863, there were 56 known elements and a new one was discovered every year.

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How is this project topic relevant today?

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How is this project topic relevant today?

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It's relevant today because Mendeleev's history has lasted to today.

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Since Mendeleev’s table was introduced, there have been an estimated 700 alternate versions of the periodic table. Some of these were circular, triangular, or pyramid shaped

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The columns in the table are used to separate groups of elements. The elements in a group often have similar properties and often have the same arrangement of outer electrons

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Mendeleev’s Periodic table was the gaps he left, in these places he not only predicted there were as-yet-undiscovered elements, but he predicted their atomic weights and their characteristics

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Mendeleev's table arranged the elements in order of increasing atomic weight. However, the modern periodic table arranges them by atomic number, from lowest to highest.

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In 1863, there were only 56 known elements and a new one was discovered about once every year.

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Organizing the elements by their atomic number rather than their atomic weight did not change the arrangement of the periodic table.