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A particle has 16 protons in its nucleus and 3 electron shells holding 2, 8 and 8 electrons respectively. Which statement is correct? ( ).
A.
The particle is an atom of a noble gas
B.
The particle carries 2 units of positive charge
C.
The symbol of the particle is
S
2
−
\mathrm{S^{2-}}
S
2
−
D.
The atom of this element has 8 electrons in its outermost shell
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