Answered

Which of the following statements describes how atomic size increases in the periodic table?

A. Down a column (group)
B. Up a column (group)
C. Across a row from left to right (period)



Answer :

GinnyAnswer

Final answer:

Atomic size increases down a group and decreases across a period in the periodic table.


Explanation:

Atomic size increases down a group due to added energy levels and shielding from the nucleus. Conversely, atomic size decreases from left to right across a period as there is increased nuclear pull on the valence electrons.


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