Valence Electrons
Lewis Dot Symbol
Lewis Dot Structures Covalent
Ionic or Covalent?
VSEPR
100
Number of Valence electrons in the first column
1
100
Lewis dot for Hydrogen
H with one dot
100
The Lewis Dot Structure of CH4
4 h around 1 c
100
What type of bond is formed between Lithium and Fluorine?
Ionic
100
What is the molecular geometry and bond angle for CO2?
Linear, 180o
200
Number of Valence electrons in group 13
3
200
Lewis dot for O
6 dots around O
200
The Lewis Dot Structure of NH3
3 h around 1 n with 2 paired electrons
200
What type of bond is formed between Magnesium and Sulfur?
Polar Covalent
200
What is the bond angle for the molecule below?
120o
300
Number of Valence electrons in group 16
6
300
The Lewis Dot Structure of Antimony.
5 dots around Sb
300
Lewis Dot Structure for HCl
h-cl 3 sets of paired electrons
300
What type of bond is formed between Phosphorous and Sulfur?
Non Polar Covalent
300
Give the molecular geometry and bond angle for the molecule below:
Tetrahedral, 109.5o
400
Number of Valence electrons in group 2A
2
400
The Lewis Dot Structure for Chlorine (Cl).
7 dots around Cl
400
The Lewis Dot Structure of H2O
h-o-h 2 paired electrons on o
400
What type of bond is formed between Sodium and Chlorine?
Ionic
400
What is the molecular geometry for NF3?
Trigonal Pyramidal
500
Number of Valence electrons in group 18 (INCLUDE THE EXCEPTION).
8 except for He which has only 2
500
The Lewis Dot Structure of Selenium (Se).
6 dots around Se
500
The Lewis Dot Structure for HCN
1 h single bond c triple bond n 1 paired electrons
500
What type of bond is formed between Hydrogen and Carbon?
Polar Covalent
500
If a compound consists of 3 atoms and has a bond angle of 109.5. What is its molecular geometry?
Bent