For the elements listed below identify the group and ...



For the elements listed below identify the group and period or the element:

Group Period

1. Potassium _______________ ________________

2. ________ 13 3

3. Fluorine _______________ ________________

4. Neon _______________ ________________

5. Oxygen _______________ ________________

6. ________ 8 5

7. Iron _______________ ________________

8. Calcium _______________ ________________

9. Silver _______________ ________________

10. ________ 18 4

State the following scientists’ contribution(s) to chemistry. Be sure that you are thorough.

11. Robert Boyle:

12. J. J. Thomson:

13. James Chadwick:

14. Dmitri Mendeleev:

15. Compare and contrast Dalton’s Atomic Theory with The Modern Atomic Theory.

16. Explain the Law of Conservation of Matter:

17. Explain the Law of Definite Proportions:

18. How do the Modern Atomic Model and The Solar System Model of an Atom differ?

19. List the three subatomic particles in order of increasing mass. (Be sure to state the mass for each.)

20. According to periodic trend, list the following elements in order of increasing electronegativity:

Zinc, Barium, Magnesium, Phosphorous, Nitrogen

21. According to periodic trend, list the following elements in order of increasing ionization energy:

Lead, Bromine, Cesium, Vanadium, Sulfur

22. According to periodic trend, list the following elements in order of increasing Atomic Radius:

Iron, Bismuth, Tin, Chlorine, Potassium

On the Periodic Table provided, label the Groups and Periods. Indicate where the Metalloids are as well. Make a list of the properties of each of the following groups.

Alkali Metals Alkaline Earth Metals

Halogens Nobel Gases

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