Lewis Dot Structures Practice
Part A: Add dots to the following symbols to give their electron dot structures:
3.
4.
1.
•
2.
5.
Cl
Na
Ca.
Li
8.
9.
10.
6.
7.
H
P
0
Se
Mg
Part B: For the following elements, write their electron configuration, the number of valence
electrons, whether or not it has an octet, and
whether it is likely to form a compound
.
Electron Configuration
Number of
Valence Electrons
Octet?
(Yes or No)
Forms a compound?
(Yes or No)
Element
1. C
2. Ne
3. Ca
4. Ar
5. N
I've ] 3, 2206
Part C: (1) Calculate the electronegativity differences between the following pairs of atoms and
(2) Classify the bonds between the pairs of atoms as lonic (1) or covalent (C) and
Electronegativity Difference
Bond Type (I or C)
Pairs of Atoms
1. Al (aluminum) and Cl (chlorine)
2. N (Nitrogen) and O (oxygen)
3. K (potassium) and F (fluorine)
4. S (sulfur) and O (oxygen)
5. Ba (barium) and Cl (chlorine)
6. Fe (iron) and O (oxygen)
