某元素的原子结构示意图为,该原子的质子数为__________,核外共有__

某元素的原子结构示意图为,该原子的质子数为__________,核外共有__________个电子,分为______个电子层,第二层上有______个电子,最外电子层上有__________个电子,在化学反应中,该原子易________电子,变成______离子,其离子符号为______

答案

11  11  3  8   1        Na+

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