How are Patterns Organized

How are Patterns Organized - 1 Obviously actual chemical...

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1) Obviously, actual chemical elements aren’t characterized by stars, notches, and holes. List five physical or chemical properties of the elements that have been used to arrange the periodic table the way it is. Elements have been placed on the periodic table using solubility, atomic weight, valency, atomic volume, and reactivity. 2) Choose a group (column) from the periodic table and briefly describe how each of the five properties you listed above change as you move from top to bottom in the table. Group 1 Solubility: constant Atomic Weight: increases down the column Valency: constant at +1 Atomic Volume: increases down the column Reactivity: increases down the column 3) Choose a period (row) from the periodic table and briefly describe how each of the five properties you listed above change as you move from left to right. Period 2 Solubility: solubility changes across the period as the valency changes Atomic Weight: increases across the period
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