Chemistry, 01.12.2019 19:31, seonna

As the elements in period 2 of the periodic table are considered in succession from left to right, there is a decrease in atomic radius with increasing atomic number. this may best be explained by the fact that the
a. number of protons increases, and the number of shells of electrons remains the same
b. number of protons increases, and the number of shells of electrons increases
c. number of protons decreases, and the number of shells of electrons remains the same
d. number of protons decreases, and the number of shells of electrons increases

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As the elements in period 2 of the periodic table are considered in succession from left to right, t...