Name ________________
Lewis Dot Structures of Ionic Compounds
Date:_________________
1. Which Lewis electron-dot diagram represents an atom in the ground state for a Group 13 element?
1)
2)
3)
4)
2. Which Lewis electron-dot diagram represents a boron atom in the ground state?
1)
2)
3)
4)
3. Which Lewis electron-dot structure is drawn correctly for the atom it represents?
1)
2)
3)
4)
4. What is represented by the dots in a Lewis electron-dot diagram of an atom of an element in Period 2 of the
Periodic Table?
1)
2)
3)
4)
the number of neutrons in the atom
the number of protons in the atom
the number of valence electrons in the atom
the total number of electrons in the atom
5. An atom in the ground state contains a total of 5 electrons, 5 protons, and 5 neutrons. Which Lewis
electron-dot diagram represents this atom?
1)
2)
3)
4)
6. Which is the correct electron-dot symbol for the
fluoride ion?
1)
2)
3)
4)
7. Which Lewis electron-dot diagram is correct for a S 2– ion?
1)
2)
3)
4)
8. What is the correct Lewis electron-dot structure for the compound magnesium fluoride?
1)
2)
3)
4)
9. Which Lewis electron-dot diagram represents calcium oxide?
1)
2)
3)
4)
10. The bond between which two elements is the least ionic in character?
1) H-F
2) H-Cl
3) H-I
Chemistry!
4) H-O
Answer Key
Bonding and Energy
1.
3
2.
2
3.
4
4.
3
5.
3
6.
4
7.
4
8.
3
9.
4
10.
3
Chemistry!