Trends
What is atomic radii?
Half the distance of the center of one atom to the center of another atom.
As you move right to left on a period atomic radii _______
Increases
Does Ionization increase or decrease as you go from left to right on the periodic table?
Increase
What happens to electronegativity going left to right on the periodic table?
Increases
The period number gives you the number of _____ in an atom.
Energy levels
Ionization energy is what?
The amount of energy required to remove one valence electron.
What happens to atomic radii going up a group?
Decreases
Ionization _______ as you go up the periodic table.
Increases
What happens to electronegativity going down groups on the periodic table?
Decreases
The group number gives you the number of ________ in an atom.
valence electrons
What is electronegativity?
The ability for an atom to attract an electron to itself.
What element has a larger atomic radii, H or Fr?
Fr
Which element has a higher ionization energy Ar or Na?
Argon
What element has the highest electronegativity on the periodic table?
Fluorine
Predict elements that hadn't been discovered yet
Because of electron shielding
What element has a smaller atomic radii, Fluorine or Lithium?
Fluorine
Which element has a lower ionization energy, Helium or Krypton?
Krypton
Which element has a higher electronegativity, C or N?
Nitrogen
Elements are grouped together based on _______
Similar physical and chemical properties
What group is not included when talking about electronegativity?
Noble gases
What element has a larger atomic radii, Boron or Iodine?
Iodine
When do you have the biggest change in ionization energy?
When going from a full valence shell (noble gas) to valence shell with 1 electron (group 1).
Which element has a lower electronegativity, Barium or Magnesium?
Barium
What chemical properties to alkali metals share?
React violently with water and oxygen