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Chemistry, 07.10.2021 06:10 borgesalfonso12

20 On the periodic table of elements atomic radius A increases across a period due to the increase in atomic and no increase in energy level
B decreases across a period due to the increase in nuclear charge and no increase in energy
C increases down a group due to the decrease in atomic number and increase in energy level
D decreases down a group due to the increase in atomic mass and increase in energy level
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