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一种铁原子的原子核内有26个质子和30个中子，该原子的核外电子数为（ ）
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一种铁原子的原子核内有26个质子和30个中子该原子的核外电子数为
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30
56
雄伟壮观的国家大剧院主体建筑表面安装了近2万块钛Ti金属板已知一种Ti原子的原子核内有22个质子和2
4
22
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48
一种铁原子核内有26个质子和30个中子该原子核外电子数为
26
4
30
56
一种氟原子的原子核内有9个质子和10个中子该原子的核电荷数为
7
9
10
19
一种铁原子的原子核内有26个质子和30个中子该原子的核外电子数为
4
26
30
56
一种铁原子的原子核内有26个质子和30个中子该原子的核外电子数为
30
26
56
4
一种铁原子的原子核内有26个质子和30个中子该原子的核外电子数为
4
26
30
56
一种铁原子的原子核内有26个质子和30个中子该原子的核外电子数为
56
30
26
4
有两种不同的原子一种原子的原子核内有6个质子和6个中子另一种原子的原子核内有6个质子和7个中子则它们
核电荷数
核外电子数
原子的带电量
原子的质量
雄伟壮观的国家大剧院主体建筑表面安装了近2万块钛Ti金属板已知一种Ti原子的原子核内有22个质子和2
4
22
26
48
有两种不同的铀原子一种原子核内有92个质子和143个中子另一种原子核内有92个质子和146个中子则它
原子的质量
核电荷数
核内质子数
核外电子数
已知铁原子的相对原子质量为56铁原子核内有26个质子该种铁原子的原子核内的中子数目为
82个
30个
26个
52个
一种铁原子的原子核内有26个质子和30个中子该原子的核外电子数为
56
30
26
4
已知一种氯原子的原子核内有17个质子和20个中子则该原子的核外电子数为
3
17
20
37
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