Web Quest: The Atom Name__________

Date:_______Pd__

Log on to the following website to complete the Web Quest.

http://www.qacps.k12.md.us/qhs/teachers/WeedonD/Atoms%20page%202.htm

1. The basic unit of all matter is the _____________.

2. All atoms are made of three types of particles ____________, ___________, and _____________.

3. The ___________is used to identify an atom.

4. Protons are found in the ________of atoms. They have a _____charge.

5. How can you calculate the number of protons in an atom?

_____________________________________________

6. What happens when the number of protons in an atom changes?

__________________________________________________

7. How big are protons compared to electrons?

__________________________________________________

8. Where are neutrons found in an atom?

__________________________________________________

9. How can you calculate the number of neutrons in an atom?

__________________________________________________

10. How are isotopes formed?

__________________________________________________

11. What is the charge on an electron?______________________

12. How can you calculate the number of electrons in an atom?

__________________________________________________

13. An atom can gain or lose electrons to become an___________.

14. A sodium atom has _______ protons and____ electrons and a sodium ion would have ___________protons and ________electrons.

15. The removal of an electron results in a _____________charge.

16. THINK!! If 2 electrons were removed from magnesium, what would the charge on magnesium be?________________

17. Electrons occupy different energy levels in the _________________around the nucleus.

18. How many electrons are found in the following energy levels:

First energy level__________

Second energy level__________

Third energy level__________

Fourth energy level__________

19. Electrons can occupy 4 different orbitals. Complete this chart.

Four Orbitals	Describe the shape of the orbital	How many electrons can be found in each orbital?
S
P
D
F

20. What is the purpose of the Electron Configuration Pattern?

_________________________________________________

21. What is the principle quantum number?

_________________________________________________

22. Write the electron configuration pattern for each of the following atoms:

a. Oxygen –

b. Helium –

c. Carbon –

d. Nitrogen –

23. That was fun, now try again with more atoms. (Hint: answers are not in the web quest you have to do this on your own!!)

a. Calcium-

b. Chlorine-

c. Potassium-

d. Aluminum-

24. Atom that are involved in bonding are called _____________ electrons.

25. What does this word mean?_________________________.

26. How can you find the valance electrons for an atom?

_________________________________________________________

27. What are valance electrons used for?____________________________

28. How many valance electrons do these atoms have?

a. oxygen-

b. helium-

c. carbon-

d. nitrogen-

29. Now give it a try again. . (Hint: answers are not in the web quest you

have to do this on your own!!)

a. sodium-

b. argon-

c. aluminum-

d. lithium-

30. Read the quick summary about atoms. Then complete the atom crossword puzzle (print a completed puzzle).

31. Take the practice quiz on Atomic structure. (print your quiz when done)

32. Take the Atom Test. Copy and paste the test into a word document and then type in your answers in the word document. Print a copy when finished.

33. Staple your puzzle, quiz, and test to this packet when finished.

34. Don’t forget to share what you have learned about atoms with your family

and friends!