1. Bonding Questions Answer in your online lab notebook.

2. Question #1 If two atoms are sharing electrons, which type of bond is holding them together?

3. Question #2 Beryllium has an atomic # of 4. How many electrons are in the 1 st energy level? How many electrons are in the 2 nd energy level.

4. Question #3 Supposedly ionic bonds are very strong. What is a physical characteristic demonstrated by elements in ionic bonds that supports the above statement?

5. Question #4 Which type of bond do you most likely have if a non-metal is bonding with a non-metal?

6. Question #5 Which type of bond do you most likely have if a metal is bonding with a non- metal?

7. Question #6 Which type of bond do you have if a metal is bonded to another metal?

8. In the following questions you might need the periodic table. Periodic table sites: www.chemicalelements.com or www.webelements.com www.chemicalelements.com www.webelements.com

9. Question #7 On paper or in your head, picture the electron-dot structure of Argon (Ar). How many dots are circling Argon?

10. Question #8 What other element on the periodic table might be a good match for Argon? Why?

11. Question #9 The chemical formula for water is H 2 O. Water has 2 hydrogen atoms covalently bonded to one oxygen atom. Explain why water is a happy, stable atom.

12. Question #10 In a basic sense, electricity is the movement of electrons from molecule to molecule. Out of covalent, ionic, and metallic bonds which one will conduct electricity the best? Why?

13. For Questions #11 through #18 list which type of bond the molecule most likely has.

14. Choose between ionic, covalent, and metallic. Question #11 -- HCl Question #12 -- Cu 3 Zn 2 Question #13 -- H 2 O 2 Question #14 -- KCl Question #15 -- C 3 H 8 Question #16 -- Na 2 O

15. Question #17 Bronze is an alloy (a combination of metals) made from copper (Cu) and Tin (Sn). Which type of bond holds the atoms in the molecule bronze together?

16. Question #18 Explain why Carbon can create so many different molecules?

17. Question #19 Carbon Dioxide (CO 2 ), a favorite molecule for those of us who are green, is pictured below. Does CO 2 contain ionic, covalent, or metallic bonds? Does CO 2 contain single, double, or triple bonds? COO

18. Question #20 Why are molecules that have covalent bonds more likely to have a lower boiling point?