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Friday, September 12 Element Quiz 1 Today Extra Credit Prototype due today Element Quiz 2 Thursday...
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![Page 1: Friday, September 12 Element Quiz 1 Today Extra Credit Prototype due today Element Quiz 2 Thursday Atomic Structure Test Friday 19th.](https://reader035.fdocuments.us/reader035/viewer/2022072006/56649f455503460f94c66bbe/html5/thumbnails/1.jpg)
Friday, September 12
• Element Quiz 1 Today
• Extra Credit Prototype due today
• Element Quiz 2 Thursday
• Atomic Structure Test Friday 19th
![Page 2: Friday, September 12 Element Quiz 1 Today Extra Credit Prototype due today Element Quiz 2 Thursday Atomic Structure Test Friday 19th.](https://reader035.fdocuments.us/reader035/viewer/2022072006/56649f455503460f94c66bbe/html5/thumbnails/2.jpg)
Electron Shells (Energy Levels)
Electrons in atoms are in shells
The maximum number of electrons in each shell, going from the middle to the outside, is 2-8-8-18
![Page 3: Friday, September 12 Element Quiz 1 Today Extra Credit Prototype due today Element Quiz 2 Thursday Atomic Structure Test Friday 19th.](https://reader035.fdocuments.us/reader035/viewer/2022072006/56649f455503460f94c66bbe/html5/thumbnails/3.jpg)
1112
Sodium
Atomic number = Mass Number =
2 - 8 - 1
p+
n
2311
23 protons & neutrons
12 neutrons
In a neutral sodium atom the number of protons (11) = the number of electrons (11)
- 11 protons____________________
![Page 4: Friday, September 12 Element Quiz 1 Today Extra Credit Prototype due today Element Quiz 2 Thursday Atomic Structure Test Friday 19th.](https://reader035.fdocuments.us/reader035/viewer/2022072006/56649f455503460f94c66bbe/html5/thumbnails/4.jpg)
4 5
Beryllium
Atomic number = Mass Number =
2 - 2
p+
n
94
9 protons & neutrons
5 neutrons
In a neutral beryllium atom the number of protons (4) = the number of electrons (4)
- 4 protons____________________
![Page 5: Friday, September 12 Element Quiz 1 Today Extra Credit Prototype due today Element Quiz 2 Thursday Atomic Structure Test Friday 19th.](https://reader035.fdocuments.us/reader035/viewer/2022072006/56649f455503460f94c66bbe/html5/thumbnails/5.jpg)
1616
Sulfur
Atomic number = Mass Number =
2 - 8 - 6
p+
n
3216
32 protons & neutrons
16 neutrons
In a neutral sulfur atomthe number of protons (16) = the number of electrons (16)
- 16 protons____________________
![Page 6: Friday, September 12 Element Quiz 1 Today Extra Credit Prototype due today Element Quiz 2 Thursday Atomic Structure Test Friday 19th.](https://reader035.fdocuments.us/reader035/viewer/2022072006/56649f455503460f94c66bbe/html5/thumbnails/6.jpg)
7 7
Nitrogen
Atomic number = Mass Number =
2 - 5
p+
n
147
14 protons & neutrons
7 neutrons
In a neutral nitrogen atom the number of protons (7) = the number of electrons (7)
- 7 protons____________________
![Page 7: Friday, September 12 Element Quiz 1 Today Extra Credit Prototype due today Element Quiz 2 Thursday Atomic Structure Test Friday 19th.](https://reader035.fdocuments.us/reader035/viewer/2022072006/56649f455503460f94c66bbe/html5/thumbnails/7.jpg)
1414
Silicon
Atomic number = Mass Number =
2 - 8 - 4
p+
n
2814
28 protons & neutrons
14 neutrons
In a neutral silicon atom the number of protons (14)= the number of electrons (14)
- 14 protons____________________
![Page 8: Friday, September 12 Element Quiz 1 Today Extra Credit Prototype due today Element Quiz 2 Thursday Atomic Structure Test Friday 19th.](https://reader035.fdocuments.us/reader035/viewer/2022072006/56649f455503460f94c66bbe/html5/thumbnails/8.jpg)
1920
Potassium
Atomic number = Mass Number =
2 - 8 - 8- 1
p+
n
3919
39 protons & neutrons
20 neutrons
In a neutral potassium atom the number of protons (19) = the number of electrons (19)
- 19 protons____________________