Atomic Radius Ionic Radius Ionization Energy ElectronAffinity
What we are going to learn!
Some history about the periodic table development
Trends: using the periodic table to predict
Ionization energy, electron affinity, atomic radius, effective nuclear charge and electro
Instead of 1.21, directly, we’ll just talk about some interesting elements.
Mendeleev Periodic Table
Development of the Periodic Table Electronegativity
Effective Nuclear Charge Electronegativity
Effective Nuclear Charge Increases __________________
Left to right
Vertical Trend doesn’t make a lot of sense to discuss here so we will ignore it
Nuclear charge felt by an electron when both the actual _____________________and the
_______________ Nuclear charge Shielding effects
of other electrons are taken into account.
Core electrons shield the ______________.
Reason behind many of the other trends!
More protons makes more nuclear charge
Increases down a groupIncreasing amount of ___________ increases size.
Increases right to left across a period
Effective nuclear charge,
Due to _______________