Unit 3 Periodic Table-Ionization Energy/Electronegativity

The energy required to remove a valence electron from a gaseous atom is called ______________

• Electronegativity

• Atomic Radius

• Ionization Energy

The ionization energy of the elements will __________ as you move down a group on the periodic table.

• Increases

• Decreases

The ionization energy of the elements will __________ as you move left to right across a period on the periodic table.

• Increase

• Decrease

____________ is the tendency for an atom of an element to attract the electrons of another element when they are chemically combined.

• Electronegativity

• Atomic Radius

• Ionization Energy

As you move across a period left to right the electronegativity will ____________

• Increase

• Decrease

As you move down a group on the periodic table electronegativity of an element will ______________

• Increase

• Decrease

The elements in group 18, the ______________, do not have defined values for electronegativity

• Alkali Metals

• Alkaline Earth Metals

• Halogens

• Noble Gases

The most electronegative element on the periodic table is ___________

• Hydrogen

• Fluorine

• Helium

• Argon

Fluorine has an electronegative value of ________

• 4.0

• 1.5

• 3.0

• 2.0