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In the text box below, explain how the periodic table is organized. Be sure to use the following terms within your description: atomic number, protons, group(s), period(s), energy level(s), valence electron(s). Be sure to highlight each of these terms as you use them.

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Answer:

All the elements in the table are arranged in rows and columns; the rows runs from left to right and are called periods while the columns run up and down and are called groups. Elements in the same group share similar properties.

Explanation:

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