The statement which correctly describes periodic trends in ionization energy is: B. Â Ionization energy generally increases from bottom to top and left to right.
A Periodic table is an organized tabular array of all the chemical elements arranged in order of increasing atomic number (in rows).
Ionization energy can be defined as the minimum energy required to remove (detach) an electron from a neutral atom in its gaseous state.
Generally, ionization energy tend to increase from left to right across a period on the periodic table and from bottom to top in each group of a periodic table.
This increase is mainly because the atomic radius of chemical elements generally decreases across the periodic table, typically from alkali metals (group one elements) such as sodium, lithium and hydrogen to noble gases (group eight elements) such as neon, helium, and argon. Thus, the periodic trend for ionization energy is from left to the right and bottom to top of the periodic table.
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