英语词汇“mass number”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-新都网

单词	mass number
释义	mass number noun Physics The total number of protons and neutrons in a nucleus.The sum of the protons and neutrons is called the mass number.... Various numbers are used to define nuclei: the atomic number, Z, is the number of protons, while the mass number is the sum of the atomic number and the number of neutrons, N. The mass number gives you the total number of protons and neutrons in the nucleus of that element.
随便看	self-correct self-correcting self-correction self-created self-creating self-creation self-critical self-criticism self-deceit self-deceiver self-deceiving self-deception self-deceptive self-defeating self-defence self-defensive self-definition self-delight self-delusion self-denial self-denying self-denying ordinance self-dependence self-deport self-deportation

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