marthalmanriquez marthalmanriquez

09-12-2015
Chemistry

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The elements of the periodic table are arranged in horizontal rows according to each successive element's greater...?
1. atomic mass
2. atomic radius
3. number of protons
4. number of neutrons

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VanellionAir VanellionAir

09-12-2015

3. Number of protons; because with each successive element, their atomic number which is also their proton increases.

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