phr. 【化学】原子序号7氮 英语解释 a common nonmetallic element that is normally a colorless odorless tasteless inert diatomic gas; constitutes 78 percent of the atmosphere by volume; a constituent of all living tissues相似短语 atomic number 7 phr. 【化学】原子序号7氮 atomic number n.[化]...
atomic number 7 英文 芬兰文 atomic number 7noun a common nonmetallic element that is normally a colorless odorless tasteless inert diatomic gas; constitutes 78 percent of the atmosphere by volume; a constituent of all living tissues +添加翻译...
它们有相同的原子序数,因此化学行为几乎完全一样,但原子量不同。 5.Radium, atomic number 88, atomic weight 2260254, is a natural radioelement, elements were derived from Latin, is intended to "ray." 镭,原子序数88,原子量2260254,是一种天然放射性元素,元素名来源于拉丁文,原意是“射线”。
The meaning of ATOMIC is of, relating to, or concerned with atoms. How to use atomic in a sentence.
Nitrogen: Gaseous chemical element, chemical symbol N,atomic number7. 氮: 气态化学元素, 化学符号N, 原子序数7. 期刊摘选 Iridium: Metallic chemical element, one of the transition elements, chemical symbol Ir,atomic number77. 铱: 金属化学元素, 为过渡元素的一种, 化学符号Ir, 原子序数77. ...
The meaning of ATOMIC NUMBER is an experimentally determined number characteristic of a chemical element that represents the number of protons in the nucleus which in a neutral atom equals the number of electrons outside the nucleus and that determines t
atomic-number n. 1. 原子序数(指原子在元素周期表中的序号)the number of protons in the nucleus (= centre) of an atom, which is characteristic of a chemical element. Elements are placed in the periodic table according to their atomic numbers ....
The intensity ratios were determined by measuring K and L x-rays emitted from a standard target of a given element. The theoretical values of the K α to L α and K β to L β intensity ratios were calculated using theoretically tabulated values of shell/subshell photoionization cross ...
Here, X-ray detected paramagnetic resonance on molecular quantum bit candidates is demonstrated, paving the way toward the element-specific detection of coherently excited spin superposition states. Andrin Doll , Zhewen Xu & Jan Dreiser Article 27 November 2024 | Open Access Optimal Floquet ...
An isotope of the element with atomic number 97 has been discovered as a product of the helium ion bombardment of americium. This isotope decays with the emission of alpha-particles of maximum energy 6.72 Mev (30 percent) and it emits lower energy alpha-particles of energies 6.55 Mev (53 ...