proton number 美 英 un.质子数;原子序数 网络元子序 英汉 网络释义 un. 1. 质子数 2. 原子序数
The proton number is in the lower left corner.───质子数是在左下方。 we get at the number of neutrons indirectly because we know the proton number here.───我们可以间接得到中子数,因为我们知道质子数了。 Using the difference between neutron and proton number in atomic nucleus, the "Element...
Atomic number or proton number 生词本:添加笔记: 有奖纠错 | 划词 词组搭配 英语例句库 用户正在搜索 drain plug,drainability,drainable,drainage,drainage area,drainage basin,drainage ditch,drainage system,drainboard,drainer, 相似单词 3G,401(K),a,...
Thenumber of protons in an atomis called the 'Atomic Number' of that atom and is sometimes referred to as 'Z'. This is important because itdefines the type of atom, i.e. whichelementit is an atom of. Protonsandneutronsare collectively referred to asnucleons. ...
23 The table below shows the proton numbers of three elements.Element Proton (atomic) number X11Y17Z18Which of the following statements about X, Y, and Z is correct? A A X and Y can combine to form an ionic compound XY. B X and Z can combine to form an ionic compound XZ. C Y ...
Related to proton number:neutron number [′prō‚tän ‚nəm·bər] (nuclear physics) atomic number McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc. Want to thank TFD for its existence?Tell a friend about us, add ...
Every nucleus of a given chemical element has the same number of protons, and this quantity of protons defines the atomic number of the element and determines the element’s position in the periodic table. The discovery of the proton dates to the earliest investigations of atomic structure. ...
IN 1933 Elsasser 1 pointed out that some of the properties of atomic nuclei correspond to greater stability for certain numbers of neutrons and protons (given the name magic numbers) than for other numbers; the magic numbers for both N (neutron number) and Z (proton number) are 2, 8, 20...
(2.7928456 ± 0.0000011)μn, where μnis the nuclear magneton. Together with neutrons, protons form the atomic nuclei of all chemical elements. The number of protons in the nucleus is equal to the atomic number and therefore determines an element’s position in the periodic table of the ...
1) sum of neutron and proton number(atomic weight) 中质和(原子量)2) neutron atomic mass 中子原子质量3) quality balance 质量中和 1. Analysis on quality balance of high magnesium lime at Wuhai Mine Company; 对乌海矿业公司高镁灰岩质量中和的分析...