What is an Atom?
Click the following link: http://www.qrg.northwestern.edu/projects/vss/docs/Propulsion/1-what-is-anatom.html
Read the top paragraph (only) and answer the following questions:
1. Everything in the universe (except energy)is made up of ______ .
2. Therefore everything in the universe is made up of ______.
3. An atom itself is made up of three tiny kinds of particles called subatomic particles: _______
_________ ________ .
4. The protons and the neutrons make up the ________________ called the nucleus.
5. The _______ fly around above the nucleus in a small cloud.
6. The electrons carry a ________ charge and the protons carry a _______charge.
7. In a normal (neutral) atom the number of protons _______ the number of electrons.
What are the Parts of the Atom?
Click the following link: http://education.jlab.org/atomtour ; and, answer the questions which follow:
8. How many naturally occurring elements are there? ______
9. Click the continue button.
10. Click the PROTON. What did scientists discover in 1968?
_______________________________________________________________
11. Click the NEUTRON. When were they first discovered ? _______ . What did the scientists
also learn about neutrons?
_______________________________________________________________
12. Click the ELECTORNS and complete this sentence: It is easy to strip off the electrons from
an atom and use them to create _________ _________
Log on to the following website to complete the Web Quest.
http://www.qacps.k12.md.us/qhs/teachers/WeedonD/Atoms%20page%202.htm
13.
14.
The basic unit of all matter is the _____________.
All atoms are made of three types of particles ____________, ___________, and
_____________.
15.
The ___________is used to identify an atom.
16.
Protons are found in the ________of atoms. They have a _____charge.
17.
What is the atomic number for oxygen? _______________
18.
What happens when the number of protons in an atom
changes?__________________________________________________
19.
How big are protons compared to
electrons?__________________________________________________
20.
Where are neutrons found in an
atom?__________________________________________________
21.
How can you calculate the number of neutrons in an
atom?__________________________________________________
22.
How are isotopes formed?__________________________________________________
23.
What is the charge on an electron?______________________
24.
How can you calculate the number of electrons in an atom?
__________________________________________________
25.
26.
An atom can gain or lose electrons to become an___________.
A sodium atom has _______ protons and____ electrons and a sodium ion would have
___________protons and ________electrons.
27.
The removal of an electron results in a _____________charge.
28.
Electrons occupy different energy levels in the _________________around the nucleus.
29.
How many electrons are found in the following energy levels:
First energy level__________
Second energy level__________
Third energy level__________
Fourth energy level__________
Go to the following website: http://chemicalelements.com/
30. Click on oxygen.
What is the atomic number of oxygen?________ This means it has how many electrons?
____________
How many electrons are in the second energy level of oxygen? ______
How many electrons does oxygen want in its second energy level? _______
How many electrons does oxygen need to pick up to fill its second energy
level? ______
Draw a picture of oxygen below. Be sure to show protons, neutrons and electrons. Protons, neutrons
and electrons must be in the correct location. You can use another website to help you if you choose.
Go to the following website:
http://faculty.clintoncc.suny.edu/faculty/michael.gregory/files/bio%20101/bio%20101%20lectures/ch
emistry/chemistr.htm
32. Explain how ionic bonding occurs and include a picture.
33. Explain how covalent bonding occurs and include a picture.
34. If you finish early please start working on your vocabulary sheets. You may use the computer to
get ideas for pictures and sentences.