Chemistry, asked by annarosejoshy01, 7 months ago

Electronic configuration of first 20 elements

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Answered by devmourya992742

Answer:

2,8,8,2 thus is the electronic configuration of calciunm

Answered by ronaldoChristiano

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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