What is the smallest unit of matter? A. Atom B. Molecule C. Cell D. Organ 相关知识点: 试题来源: 解析 A。解析:原子(Atom)是物质的最小单位。分子(Molecule)由原子组成;细胞(Cell)是生物体的基本结构和功能单位;器官(Organ)是由细胞和组织构成的。从语法上这是关于物质基本单位的特殊疑问句,选项为...
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。
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。
What is the most common isotope of argon? Isotopes Explained: Elements are classified by the number of protons in the nucleus of the atom. However, there is no set rule for how many neutrons can be in the atom's nucleus. Because this number can vary, we classify the different, naturally...
What is the maximum number of electrons in an atom that can have the following quantum numbers?(a) n = 2; (b) n = 3 and ,= 1; (c) n = 3,,= 1,and m,= 0; (d) n = 3, ,= 1,m,= −1,and ms = −1/2.
How manyhydrogen atom(s) equal to 1.01 amu?The sample of hydrogen has a mass of 1.01g,how many hydrogenatoms make up 1.01g? 2英语翻译What is the mass of one carbon atom in atomic mass unit(amu)What is the mass of one carbon atom in grams(g)What is the mass of one oxygen atom...
百度试题 结果1 题目What is the smallest unit of life? A. Cell B. Atom C. Molecule D. Organ 相关知识点: 试题来源: 解析 A。解析:细胞是生命的最小单位。反馈 收藏
百度试题 结果1 题目 (ii) What is the term for the total number of particles in the nucleus of an atom?nucleon number[1] 相关知识点: 试题来源: 解析 nucleon number 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. ...
aThe most common kind of pussy is what we call the Big Taco. With her outer and inner labia about equal in size, the meaty lips of these lovely ladies resembles a nice big taco begging to be devoured! Softer and larger than other varieties of pussy, the taco tends to be a little les...