What increases from left to right in the periodic table ? (Give examples).

Elements on the left side of the periodic table have low ionization energies because of their willingness to lose electrons and become cations. Thus, ionization energy increases from left to right on the periodic table

for example

1) from left to right across a period of elements electronegativity increases

2) from top to bottom down a group electronegativity decreases

3) important exceptions of the above rules includes the nobles gases lanthanides and actinides

answer; /// i believe that the correct answer is (c)

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