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
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 249. 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
Atoms are made up of a nucleus, protons and electrons. Atoms are the basic units of matter and the defining structure of elements. The term "atom" comes from the Greek word for indivisible, because it was once thought that atoms were the smallest things in the universe and could not be ...
249. 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 试题答案 在线课程 D 练习册系列答案 字词句段篇系列答案 自主训练系列答案 自主学习指导课程系列答案 自主...
Everything, including ourselves, is made of atoms. Nuclear radiations affect humans and other life forms by interacting with these atoms. If we are to understand how radiation acts, we must first know something about the atoms themselves. What are atoms, and how do they behave?
Definition of an atom:Atoms are the smallest particles of an element that have the chemical properties of that element. Atoms are therefore extremely small (the hydrogen atom is the smallest) and are sometimes described as the "basic building blocks of matter". This description makes more ...
Parts of an Atom: Atoms are the smallest unit of an element that still retains its properties. Atoms are made of subatomic particles, protons, neutrons and electrons. The protons and neutrons are arranged in a core called the nucleus while the electrons orbit in a cloud of discre...
Today, we know this isn't true. In theory, if you had a knife small and sharp enough, you could chop an atom of gold into bits and you'd find smaller things inside. But then you'd no longer have the gold: you'd just have the bits. All atoms are made from the same bits, ...
___(scientific)has taught us how atoms are made up. 2.What conclusion do you draw___the research? 3.Teaching young children is a___(challenge)job. 4.When I opened the door,I found my father sitting in his chair,completely absorbed___the newspaper. 5.Please___(analysis)the case acc...