Valence Electrons
1
Lewis dot for Hydrogen
H with one dot
What charge will O form?
2-
Lewis Dot structure of NaCl
arrow from one electron in na to cl
The Lewis Dot Structure of CH4
4 h around 1 c
How many valence electrons does B have?
3
Lewis dot for O
6 dots around O
What charge will Cl form?
-1
Lewis Structure of NaF
1 arrow from Na to F
The Lewis Dot Structure of NH3
3 h around 1 n with 2 paired electrons
How many valence electrons does S have?
6
What is the formula for an ionic bond between Mg and F?
MgF2
What charge will Li form?
+1
Lewis structure of Na2O
1 arrow from each of the Na to O
Lewis Dot Structure for PO43-
P surrounded by 4 O's all with full shells.
How many valence electrons does Ba have?
2
What is the formula for an ionic bond between Ca and O?
CaO
What charge will Mg form?
Lewis Structure of BeF2
2 arrows point from Be to each of the F (2 arrows total)
The Lewis Dot Structure for HCN
1 h single bond c triple bond n 1 paired electrons
How many valence electrons does Ar have?
8
What is the formula for an ionic bond between Fe(II) and N?
Fe3N2
What charge will Fe(III) form?
3+
Lewis Structure of AlCl3
3 arrows all starting from Al
pointing to Cl (1 to each)
The Lewis Structure for O3
One double bond, one single bond.
2, 1, 3 lone pairs respectively.