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it increases.

the nuclear charge also increases

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Q: What happens to first ionization energy within groups and across periods?
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What happens to first ionization energy within groups across periods?

it increases. the nuclear charge also increases


Which element in the fifth period has the highest ionization energy?

xenon increases from left to right across periods (first ionization energy)


Describe the trends in first ionization energy within groups and across periods in the periodic table Provide examples?

When moving left to right across the PT the ionization energy increases. As you go down, the ionization energy, decreases.


What happens to first ionization energy within groups and periods?

it increases. the nuclear charge also increases


What happens to the first ionization energy of the elements as a period is crossed?

Moving from left to right across a period, the first ionization energy increases because it becomes increasingly difficult to remove an electron.


What is ionization energy of boron?

Across a row on the periodic table ionization energy increases. Down a column, ionization energy decreases. --------------------------------------------------------- The first Ionization energy of Boron is 800.6 kJ mol-1


What is the general trend of ionization energy as you go across the periodic table?

Across a period, first ionization energy increases. However, when going down a group, first ionization energy generally decreases. As you go down a group, atoms hove more total electrons so they don't really care that much about their outermost ones.


What is is the trend across a period?

what is the reason for ionization energy across a period


What trend it does the first ionization energy follow going across the periodic table?

The ionization energy increases going across a periodic table.This is because of increasing nuclear charge.


Does potassium or bromine have a higher ionization energy?

Bromine has because the ionization energy increases as you move across and decreases as you move down.


What has the highest first ionization energy phosphorous calcium sodium or aluminum?

Phosphorus. Across the period, first ionization energy increases.


Is it ionization energy is a periodic property?

Ionization energy generally increases across a period as a result of a higher nuclear charge, however there are some exceptions such as Boron which has a lower ionization energy than Beryllium (because it is in a P orbital), and Oxygen which has a lower ionization energy than nitrogen (Because ionization decreases the electron electron repulsion in its orbitals).