that there are an infinite amount of atoms, that atoms are able to move, that they can combine together to create matter but do not merge to become a new atom, and that they cannot be divided, according toUniverse Today. However, because most philosophers at the time — especially the ve...
The atom is the basic unit of matter. “atom” means ___. A. particle B. molecule C. element D. substance 相关知识点: 试题来源: 解析 A。“atom”是原子,是物质的基本粒子,与“particle”意思相符。“molecule”是分子;“element”是元素;“substance”是物质。反馈...
In the world of chemistry, an atom is matter, which makes up everything that is tangible (items you can touch) in the world. One important property of an atom is that it can't be broken down any further with any type of chemical means because it is in its simplest form. What Are ...
What is an Atom ? Definition of an atom: Atomsare the smallest particles of anelementthat have the chemical properties of that element. Atoms are therefore extremely small (thehydrogenatom is the smallest) and are sometimes described as the "basic building blocks of matter"....
A. an atom B. a molecule C. a cell D. an organism 相关知识点: 试题来源: 解析 A。解析:物质的最小单位是原子。选项 B 分子由原子组成;选项 C 细胞是生物体的基本单位;选项 D 生物体是由细胞组成的。相关科普知识点为物质的结构。反馈 收藏 ...
In the scientific article, “atom” is a basic unit of matter and also a very small ___. A. particle B. element C. substance D. object 相关知识点: 试题来源: 解析 A。在科技文章中,“atom”(原子)是物质的基本单位,也是一个非常小的“粒子”。“element”元素;“substance”物质;“object...
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,选项为不同物质或生物结构名称。反馈...
Atoms are the purest form of matter. They consist of protons, neutrons, and electrons. The periodic table lists all of the different types of atoms that are known to exist and are known as elements. Answer and Explanation: An atom that has more protons than electrons is called a cation. ...
During the seventies, however, he began to evolve a system of ideas about both the nature of matter and the nature of the universe which diverged increasingly from the general consensus. In his later years, therefore, he was to find himself increasingly isolated, although, being the man he ...
An atom is a basic structural unit of matter, the smallest particle of an element ___ into chemical combination. A. that can enter B. can it enter C. when entering it can D. that E. nters can 相关知识点: 试题来源: 解析 A 答案:A 分析:that引导定语从句,element为先行词。the smalles...