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Test: Middle School Physical Science
| 4. |
Based on the image above, elements in the bottom half of the periodic table have: |
higher atomic masses because they have more electrons
higher atomic masses because they have more protons and neutrons
higher electronegativity because of the reactivity
smaller atomic radii because of the reactivity
Jason
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Johns Hopkins University, Bachelor's, Applied Mathematics & Statistics, Economics. Boston University, Master's/Graduate, Bios...
Stephen
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University of North Carolina at Chapel Hill, Bachelor of Science, Geophysics and Seismology.
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