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The Periodic table (trends (atomic Radius vs Atomic Number (PT top to…
The Periodic table
trends
atomic Radius vs Atomic Number
PT left to right elements get smaller
PT top to bottom elements get bigger
H- smaller
FR- largest
Ionization Energy
Def:
the amount of energy needed to remove and electron
Trend:
L-> - Energy need increases
T->B Energy need decreases
Each family shares similar properties
Examples
Group 1 - 1e
Electronegativity
Def:
The ability to Attract other electrons
Trends
Non metals will have a higher electronegativity
Metals will have a low electronegativity
important people who worked on the PT
dobrainer
mendelev
henry mosley
lother meyer
Families on the PT
periodic law