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
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 ...
What are atoms made of ? All atoms consist of three particles, calledprotons,neutronsandelectrons. These are calledsub-atomic particles. They are (obviously) much smaller than the atom itself and have the following properties: Particle Symbol ...
A has taught us what atoms are made up of and how powerful the atom bomb is.A.seamanB.salesmanC.naturalistD.Scientist
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...
___(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...
They are the bricks of which everything is made. Millions of atoms are held in just one grain of salt, but in spite of their small size they are very important. The way an everyday object acts depends on what kind of atoms are in it and how they act. For...
All lipids are made up of the same atoms: carbon (C), hydrogen (H) and oxygen (O). Lipids contain the same elements that make up carbohydrates but in different proportions. Lipids have a large proportion of carbon and hydrogen bonds and a small proportion of oxygen atoms. Although the st...
Which two particles make up the nucleus of an atom? What is an atom called in nuclear chemistry? Which is a substance that is made up of only one type of atom? What happens when oxygen atoms share electrons? Which subatomic particles are involved in chemical bonding?