Ionization Energy Pattern.

Which has the highest ionization energy?

• Arsenic

• Iron

• ZInc

• Cobalt

Which has a lower ionization energy?

• Lithium

• Cesium

• Sodium

Ionization energy __________ as you do across a period

• has no pattern

• stays the same

• decreases

• increases

Select all that explain the ionization energy trend within periods

• electrons are closer to the nucleus

• their is a weak pull between electrons from the nucleus, making them easily moveable

• feel more of a pull from nucleus, making them harder to move

• electrons are further from the nucleus

Ionization energy (a)   as you go down a group.

Explain why ionization energy decreases as you go down a group.

• Outer electrons are further away from the nucleus you go down a group

• Electrons feel less pull from the nucleus as you go down a group

• Electrons are easier to remove as you go down a group

• All of the above

What is Ionization energy?

• The energy used in a chemical reaction

• Potential energy

• The energy it takes to remove one electron from an atom or ion in its gaseous state

Which of the following lists the atoms in order of increasing Ionization energy?

• calcium, iron, copper

• copper, iron, calcium

• calcium, copper, iron

• iron, copper, calcium