Electronic configuration of first 20 elements
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Answer:
2,8,8,2 thus is the electronic configuration of calciunm
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Explation :- For Oxygen:
Number of protons = 8
Number of electrons = 8
Mass number = Number of Protons + Number of neutrons
= 8 + 8
= 16
Hence mass number for Oxygen is 16.
For Sulphur:
Number of protons = 16
Number of electrons = 16
Mass number = Number of Protons + Number of neutrons
= 16 + 16
= 32
Hence Mass number for Sulphur is 32.
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