Filling the Valence Shell
What are two ways to fill a valence shell?
Ionic & Covalent Bonds
Draw a Lewis dot structure for a lithium atom
Li with one dot
Name Al2(SO4)3
aluminum sulfate
ion with a positive charge
cation
Calcium
Ca+2
Which group of elements do not bond?
Noble Gases
Which element is represented by Mg with two dots?
magnesium
NaBr
Sodium bromide
the energy required to add an electron to an atom
electron affinity
Manganese (IV)
Mn+4
Which elements are more likely to bond: Li and F or Li and S?
Li and F
What do the dots represent in a Lewis dot structure?
Valence electrons
K2S
potassium sulfide
the size of an atom
atomic radius
Selenium
Se-2
What kind of bond is formed when one atom transfers electrons to another atom?
Ionic
How many dots would be on the Lewis dot structure of an oxygen atom?
6
Name FeBr2
Iron (II) bromide
the ability to attract electrons in a chemical bond
electronegativity
Bismuth (III)
Bi+3
What is the maximum number of electrons that can be donated/received in an ionic bond?
Typically 3
(Rarely 4)
How many valence electrons does Argon have based on its Lewis dot structure?
8
LiNO3
lithium nitrate
the trend that is the opposite of that of atomic radius
ionization energy
Oxygen
O-2