an aluminum isotope consists 13 protons ,13 electrons,and 14
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an aluminum isotope consists 13 protons ,13 electrons,and 14 neutrons,it mass number is?
13 14 27 40?
13 14 27 40?
![an aluminum isotope consists 13 protons ,13 electrons,and 14](/uploads/image/z/15892477-61-7.jpg?t=an+aluminum+isotope+consists+13+protons+%2C13+electrons%2Cand+14)
27.
An aluminum isotope consists of 13 protons ,13 electrons,and 14 neutrons,its mass number is?
一个铝同位素是由13里原子,13粒电子和14颗中子组成,他的质量数是?
An aluminum isotope consists of 13 protons ,13 electrons,and 14 neutrons,its mass number is?
一个铝同位素是由13里原子,13粒电子和14颗中子组成,他的质量数是?
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