Based on the organization and colors in the periodic table, which two elements do you think are most similar in terms of their properties:
magnesium (Mg), barium (Ba), and gold (Au)? Explain.

Magnesium (Mg) and Barium (Ba) are most similar in terms of properties.

Explanation:

The periodic table of elements is organized with elements classified by atomic number. Each column in the table represents elements grouped together by protons in the nucleus and as a result of that also charge. The first column of elements have a +1 charge, while the second column have a +2 charge.

Electronegativity, mass and weight can also be determined by the location of elements in the table, with elements becoming more electronegative from left (least amount) to right (most) and more heavy from top to bottom. Because Magnesium and Barium are in the same column, while gold is in a different column (and assigned a different color) it indicates the element gold is not like the other two and has different properties.

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