atomic number 25是什么意思_翻译

atomic number 25 　

同反义词(wordnet词典)

atomic number 25

Noun

1. a hard brittle gray polyvalent metallic element that resembles iron but is not magnetic; used in making steel; occurs in many minerals

(synonym) manganese , Mn

(substance-holonym) hausmannite

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Having an atomic number greater than92.
超铀的原子序数超过92的
any element having an atomic number greater than 92" (the atomic number of uranium); all are radioactive.
原子序数在以后（铀的原子序数）的元素，都是放射性元素。
the sum of the number of neutrons and protons in an atomic nucleus.
原子核中中子和质子数之和。
One of two or more atoms having the same atomic number but different mass numbers.
同位素两个或更多具有相同原子序数却具有不同的质量数的原子中的一个
the atomic number of an extra stable strongly bound atomic nucleus: 2, 8, 20, 28, 50, 82 or 126.
原子核中的质子数、中子数为幻数或者均为幻数时，其稳定性和结合能均较平均值为大，且具有其他特性。