Periodic Table Flashcards
Groups
Vertical columns
Same number of valance electrons
The periodic properties of the elements occur by
Atomic number
Periods
Horizontal rows
Occupy same energy level
Ionization energy
The energy it takes to remove an electron
Electronegativity
Is a measure of an Adam’s attraction for electrons
Metals properties
I E and EN low Electrons form positive ions Conductors of heat and electricity Luster is shiny Malleable or bendable Ductile Most of the periodic table the left side of it Bottom left is the most reactive metals
Nonmetals properties
IE and EN high
Electrons form negative ions conductors of heat and electricity is bad Lasters doll malleable brittle ductile brittle
Top right of the gate at table most reactive nonmetals
The larger and Atom…..
The less it’s attraction for electrons
The smaller the Atom
The more Attraction of electrons
In a group what happens to atomic size
Increases as you go down the group
What happens to an element as you go down the group
It becomes more metallic and less nonmetallic
In a period What happens to the atomic size
The atomic size decreases and due to a greater nuclear charge
What happens to an element in a period as you go left to right
It becomes more nonmetallic and less metallic
Metals _________ electrons and from __________positive ions
Lose
Smaller
Nonmetals ____________electrons and form _______negative ions
Gain
Negative
