右图是元素X的一种粒子结构示意图,下列说法正确的是 A.X属于非

右图是元素X的一种粒子结构示意图,下列说法正确的是

AX属于非金属元素

B.该粒子可表示为X+

C.该粒子的质子数为11

D.该粒子最外电子层已达到稳定结构

答案

C

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