百度试题 结果1 题目A___ has taught us what atoms are made up of and how powerful the atom bomb is. A. seaman B. salesman C. naturalist D. scientist 相关知识点: 试题来源: 解析 D 反馈 收藏
2No matter what substance it may be, it is ___ atom. A.resulted fromB.formedC.made up ofD.made up with 3 No matter what substance it may be, it is ___ atom. A.resulted from B.formed C.made up of D.made up with 4No matter what substance it may be, it is___ atom. ...
What changes when an ion is made from an atom? A. the number of electrons only B. the number of neutrons only C. the number of protons only D. the number both of protons and of neutrons 相关知识点: 试题来源: 解析 A 考查实际运用。A. 仅电子数量(变化),B. 仅中子数量(变化),C. ...
What is the smallest unit of matter? A. Atom. B. Molecule. C. Electron. D. Proton. 相关知识点: 试题来源: 解析 A。解析:原子是物质的最小单位。选项 B,分子不是最小单位;选项 C,电子是原子的一部分;选项 D,质子也是原子的一部分。
相关知识点: 试题来源: 解析 【解析】C【解析】试题分析:原句意思是,不管它是什么物质,它构成了原子。resultfrom意思是由……引起form形成,这里使用了被动语态,所以排除B,be made up of构成made up with与……和解。故选C,最符合题意。 反馈 收藏
What is the smallest unit of matter? A. Atom B. Molecule C. Electron D. Proton 相关知识点: 试题来源: 解析 A。本题考查对物质最小单位的了解,原子是物质的最小单位。B 选项分子不是最小单位;C 选项电子是原子的组成部分;D 选项质子也是原子的组成部分。
An atom itself is made up of three tiny kinds of particles called subatomic particles: protons, neutrons, and electrons. Are atoms actually Uncuttable? Atoms are too small to see, “uncuttable,” and indestructible. All atoms of a given element are exactly alike and atoms of different ...
A has taught us what atoms are made up of and how powerful the atom bomb is.A.seamanB.salesmanC.naturalistD.Scientist
百度试题 结果1 题目(iii) What is the total number of particles in the nucleus of an atom ofX?34[1] 相关知识点: 试题来源: 解析 34 反馈 收藏
ICSEC - Grade 09 - CHEMISTRY - Atomic Structure And Chemical Bonding - Q23