Periodicity Worksheet printable pdf download

Periodicity Worksheet

2 pts EC per page

BONUS: PERIODICITY

A. Periodic table

1. Which are metals? Circle your answers: C, Na, F, Cs, Ba, Ni

Which metal in the list above has the most metallic character? Explain.

2. Write the common oxidation number for each of the following atoms: Na

3. What is the most common oxidation number for barium? Explain.

4. Name two more elements with the same oxidation number as barium and explain your choice.

5. What element in period 3 is a metalloid?

6. When element with atomic number 118 is discovered, what family will it be in?

7. Make an argument for placing hydrogen in the halogen family rather than the alkali metals.

Word bank for Q8–15: Alkali metals

Alkaline earth metals

Halogens

Noble gases

Transition metals

8. The

have a single electron in the highest energy level.

9. The

achieve the electron configurations of noble gases by losing two electrons.

10. The

vary in the number of electrons in the highest energy level

11. The

achieve the electron configuration of noble gases by gaining one electron.

12. The

have full s and p orbitals in the highest occupied energy levels.

13. The

are stable and un-reactive

14. The

are highly reactive and readily form salts with metals.

15. The ____________________________ are metals that are more reactive than the transition elements but

less reactive than the alkali metals.

16. Predict the oxidation number based on the electron configuration shown.

B. Ionization Energy

1. Choose the element with the greatest first ionization energy:

Carbon or aluminum

Calcium or strontium

Helium or lithium

Chlorine or argon

Chlorine or fluorine

Sulfur or chlorine

2. Which has the larger ionization energy: sodium or potassium? Why?

p−

Periodicity Worksheet