1. Draw the correct Lewis dot structure for NaCl

2. Draw the correct Lewis dot structure for CH2O & determine the shape
Trigonal Planar

3. Describe the structure of metallic bonding.
Positive metallic ions surrounded by electrons.

4. Example of Metallic Bonding

5. Potassium bromide forms a crystal lattice structure
Potassium bromide forms a crystal lattice structure. What type of bonding would you expect it have?
Ionic

6. Write the electron configuration for the element potassium
1s22s22p63s23p64s1

7. Write the noble gas configuration for the element rubidium
[Kr]5s1

8. Write the orbital notation for the element carbon
↑↓ ↑↓ ↑ ↑
1s s p

9. Covalent; difference in electronegativity is small (less than 1.67)
What type of bond exists between chlorine (EN = 3.0) and bromine (EN = 2.8)? Give a reason using electronegativity.
Covalent; difference in electronegativity is small (less than 1.67)

10. Draw the correct Lewis dot structure for SCl2 & determine the shape
Bent
Draw the correct Lewis dot structure for SCl2 & determine the shape

11. Which of these elements would make a covalent bond with nitrogen. Al
Which of these elements would make a covalent bond with nitrogen? Al Mg Ba C C

12. Which element has the following electron configuration: 1s22s22p63s23p64s23d6
Iron, Fe

13. Write the noble gas configuration for the element chlorine
[Ne]3s2 3p5

14. Write the orbital notation for the element sulfur
↑↓ ↑↓ ↑↓ ↑↓ ↑↓.
1s s p
↑↓ ↑↓ ↑ ↑ .
3s p

15. Which of these elements would make an ionic bond with potassium. Mg. N
Which of these elements would make an ionic bond with potassium? Mg N Sr Cl
N & Cl

16. Draw the correct Lewis Dot Structure for CO2 & determine the shape
Linear

17. Which of these elements would make an ionic bond with chlorine. Ni. F
Which of these elements would make an ionic bond with chlorine? Ni F Li Xe
Ni and Li

18. Write the electron configuration for the element fluorine
1s22s22p5

19. Which element has the following electron configuration: 1s22s22p63s23p64s23d104p3
Arsenic, As

20. ionic; difference in electronegativity is big (more than 1.67)
What type of bond exists between nitrogen (EN = 3.0) and calcium(EN = 1.00)? Give a reason using electronegativity.
ionic; difference in electronegativity is big (more than 1.67)

21. Write the electron configuration for the element silicon
1s22s22p63s23p2

22. Write the electron configuration for the element titanium
1s22s22p63s23p64s23d2

23. Write the Lewis Dot structure for the following atoms

24. Aluminum

25. Phosphorus

26. Helium