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It depends on the atomic number. If the atomic number is 5 it has five protons neutrons and electrons. The electrons make up the shells so the first shell is two electrons then the second 8 but there is only five so its an unstable atom.
What else can I help you with?
How many electron shells does a sulfur atom have?
A sulfur atom has 3 electron shells.
How many energy shells does sodium atom have?
A sodium atom has 3 energy shells.
How many electron shells does a Bismuth atom have?
A bismuth atom has 6 electron shells.
How many shells are in a sulfur atom?
Sulfur has three shells.
How many electron shells does an atom of silicon have?
As silicon is in the third row of the periodic table, it has 3 shells. (2-8-4)
How many electron shells would be completely filled by a neutral xenon atom and how many would be left?
A neutral xenon atom has 8 electron shells with 6 completely filled shells and 2 partially filled shells.
How many different shells does a calcium atom have?
4
How many electrons are in the first four shells of an atom?
2,8,8,8
How many electron shells are in the innermost shell of an atom?
2
How many sub shells does the second shell of an atom have?
3
How many shells exists in an atom and what are the names of that shells?
The number of shells varies. The row number of the element is the number of shells. They don't really have names, but they're referred to by how many levels they are away from the nucleus.
How many electrons shells does Platinum have?
Platinum is in the 6th period, meaning its atom has 6 energy shells. It is in Group 10 and has 78 electrons.
