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WorksheetsHOW ELECTRONS ARE DISTRIBUTED IN SHELLS
Total questions: 15
Worksheet time: 10mins
How many electrons can be in the 2nd energy level hold?
1
2
4
8
How many electrons does the first shell hold?
1
2
4
8
Where is Calcium located on the periodic table?
Group 4A, period 2
Group 2A, period 4
Group 7A, period 2
Group 2A, period 7
Valence Electrons are the electrons located where?
The outer shell of an atom
The inner shell of an atom
The nucleus of an atom
In all of the shells of an atom
How many valence electrons are in the atom shown in the picture?
2
3
5
Based on the number of shells and valence electrons, which element is pictured?
Nitrogen
Indium
Arsenic
Phosphorous
Which element is shown in the picture based on the number of valence electrons and electron shells? (this one is a bit more tricky because it is an exception to the rule)
Hydrogen
Helium
Magnesium
Beryllium
How many valence electrons are in the atom shown in the picture?
2
8
6
How many valence electrons are in an atom of Silicon (Si)?
4
3
14
8
How many valence electrons are in an atom of Potassium (K)?
5
19
1
8
2NaCl (common table salt) contains how many total atoms?
2
3
4
8
