What is the atomic number of an element?ps:Please answered i
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What is the atomic number of an element?ps:Please answered in English
译文,什么是元素的原子序数?
It is the number of an element in thePeriodic table of the elements.
It is the number of an element in thePeriodic table of the elements.
What is the atomic number of an element?ps:Please answered i
What is the mass mumber of an element?ps:Please answered in
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