Atoms and Periodic Table Study Guide by dkh16703

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									                                                Name ______________________________________
                                                     Date _____________________ Hour ________
                            Atoms and Periodic Table Study Guide:
1. Diagram an atom of Phosphorus (P):
         a. Number of protons = _____                          Diagram:
         b. Number of neutrons = _____
         c. Number of electrons = _____




2. Diagram an atom of Beryllium (Be):
         a. Number of protons = _____                          Diagram:
         b. Number of neutrons = _____
         c. Number of electrons = _____



3. The first electron energy level can hold _____ electrons, the second can hold _____ electrons and the
   third can hold _____ electrons.

4. What are valence electrons?


5. How many valence electrons does phosphorus (P) have? _____

6. How many protons are in an atom of Oxygen-15? _____
   How many neutrons? _____
   How many electrons? _____

7. Count the elements and atoms for each of these compounds. List each element separately and specify
   how many atoms of that element make up one molecule of the compound. Then, add up the total
   number of atoms in one molecule
                        List the elements:                         Number of atoms in each element:
Li2C2O4


K4SiO4


Hg(CN)2


Sc(OH)3


Cr(NO3)3
8. What is the atomic number of Na? _____
   What is the name of this element? ____________________
   What is the atomic mass of this element? _____
   How many protons? _____ Neutrons? _____ Electrons? _____ Valence electrons? _____

9. What are radioactive elements? (What is true about radioactive elements?) What is radiation?




10. How is radiation harmful to humans?




11. What is nuclear fission? What is happening during a nuclear fission reaction?




12. Why is the nuclear fission occurring in a power plant called a “chain reaction”? (Why does the chain
    reaction occur?)




13. What is nuclear fusion? What is happening during a nuclear fusion reaction?




14. What is an example of where fusion is occurring?




15. What is radiation? Describe alpha (α), beta (β), and gamma (γ) particles.




16. Are most elements metals or non-metals?
17. Are most elements solids, liquids or gasses?

18. What do you know about artificially made elements?


19. Explain how the model of the atom changed from when scientists first thought atoms existed to how we
    currently explain an atom.




20. What is the difference between an element and a compound?


21. Elements and the compounds they form have different characteristics. Explain why this is true and
    provide an example.




22. What is a mixture? Explain the two types of mixtures and provide an example of each.




23. What is a subatomic particle?
24. Fill in this table of subatomic particles:
Subatomic Particle:                Location:                    Charge:                      Mass:




 25. What is the solubility of a substance if no more than 12 grams can dissolve in 50 ml?




 26. If the solubility of a substance is 30g/100ml how many grams can dissolve in 200 ml of water?




 27. Diagram a Bunsen burner and label the parts.




 28. What must you always do during labs? (Consider lab safety.)




                   **Review all of your handouts, notes and practice sheets.**
**Remember to review your annotation and summary sentences for this unit’s articles of the week.**

								
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