极性-2-Polar Covalent Bonds and Nonpolar Covalent bonds极性共价键和非极性共价键 1159 -- 12:16 App 分子间作用力-1-Dipole Dipole Forces of Attraction - 偶极偶极 781 -- 11:42 App 原子理论-3-Law of Multiple Proportions 倍比定律及练习 57 -- 6:26 App 化学计量学-8- Percent Error 误差的计...
For a neutralatom, the number of electrons is the same as the number of protons. Often, the number of protons and electrons is not the same, so the atom carries a net positive or negative charge. You can determine the number of electrons in anionif you know its charge. A cation carrie...
(b)The table shows the number of protons, neutrons and electrons in some atoms or ions.Complete the table. The first line is given as an example.number of number of number of symbol or particle protons electrons neutrons formula A666C B1212121/1∴|i|C8108(16)/8O^(2-) D111013 相关...
1 Complete the following table which gives the number of protons, electrons and neutrons in each of the five particles.number of number of number of particle protons electrons neutrons1919202Fe26P26e30n Li324_31^(70)Ga^(3+) 31p28e39n∴S_1^2343645[Total: 8] ...
(c) Complete the table. number of protonsnumber of electrons Na S^{2-} Cl_{2} 相关知识点: 试题来源: 解析 完成后的表格如下: | 物质 | 质子数 | 电子数 | |---|---|---| | Na | 11 | 11 | | S2- | 16 | 18 | | Cl2 | 34 | 34 | 1. **Na:** 中性钠原子有11个...
2 (a) Th e tabl e below gives th e number of protons, neutrons and electrons in atoms or ions.Complet e th e table. Th e first lin e is given as an example.You will need to us e th e Periodic Table.particle number of number of number of symbol or protons electrons neutrons for...
(b)Complete the table to show the number of electrons, neutrons and protons in the bromine atom and fluoride ion shown.number of number of number of electrons neutrons protons Br351gF-10[3] 相关知识点: 试题来源: 解析 number of electrons in F ion = 10 (1)number of neutrons in Br = ...
结果1 题目 (b)Complete the table to show the number of electrons, neutrons and protons in the chlorine atom and bromide ion shown.number of electrons number of neutrons number of protons特CI171817Br364435 相关知识点: 试题来源: 解析 18173635 反馈 收藏 ...
= no.of protons/electrons. Thus no. of protons = electrons = 7 No. of neutrons = 14 -7 = 7 Valency = 3 electronic config = 2,5 Suggest Corrections 0 Similar questions Q. If bromine atom is available in the form of say, two isotopes 7935Br(49.7%) and 8135Br(50.3%). Calculate ...
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