Periodic Table Notes 2

Def.

Equation and Factors:
Down a group:

Across a period:

• Nuclear charge:
  
• Valence e
  

Atomic Radius (Size)

3 Definitions:
a)
b)
c)
Down a Group: Trend
Reason:

Across a Period: Trend
Reason:


Ionization Energy (IE): Def:

Down a Group: Trend
Reason:

Across a Period: Trend
Reason:


Higher IE and Charge on Ion (Fig14-13)


Ionic Raduis ( Size): Def:

Down a Group: Trend:
Reason:


Comparing atomic radii and ionic radii:
Non-metals:


Metals:


Isoelectronic Species: Def:

Example: