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Periodic Table Internet Worksheet--Periodic Table
http://www.chemicalelements.com/
Click onto the following elements to find the following information: atomic number, atomic mass, number of protons, neutrons, and electrons.
|
Element |
Atomic Number |
Mass Number |
Number of Protons |
Number of Neutrons |
Number of Electrons |
|
Potassium (K-19)
|
19 |
39 |
19 |
20 |
19 |
|
Helium (He-2)
|
2 |
4 |
2 |
2 |
2 |
|
Silicon (Si-14)
|
14 |
28 |
28 |
28 |
28 |
|
Nickel (Ni-28)
|
28 |
59 (round to the nearest ones) |
28 |
31 |
28 |
|
Chlorine (Cl-17)
|
17 |
35 |
17
|
18 |
17 |
|
Oxygen (O-8)
|
8 |
16 |
8 |
8 |
8 |
|
Radium (Ra-88)
|
88 |
226 |
88 |
138 |
88 |
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