___(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...
He was the first person to find out that things float because the water pushes them up. How well something floats or sinks depends on how much of the object rests in the water and what the object is made from. People believe that Archimedes started thinking about this problem while he ...
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, ...
英语翻译but they can’t build something new from a collection ofatoms.Why?Well,because things are made up of billions of atoms and it takes too long to move them around. 英语作业帮用户2017-11-15 举报 用这款APP,检查作业高效又准确!扫二维码下载作业帮 拍照搜题,秒出答案,一键查看所有搜题记录 ...
Let us start by looking at things around us in our rooms, and we might see a table, chair, a book or maybe a laptop? All of these things inside your room are matter and are made up of atoms and molecules. Atoms make up everything you can see, touch, smell, feel, and taste. ...
Atoms were discovered by Democritus about 2500 years ago. Democritus was a philosopher and atoms are very tiny in nature and are made up of smaller particles.Answer and Explanation: There are 1.33∗1050 atoms in this world. It is obtained by estimating the number of atoms in the Earth ...
He could see that the best way to explain how air and other gases behave is to suppose they are made up of atoms. He could also see that the law of definite proportions made sense if you suppose all the elements are made up of atoms. Dalton studied the combination of elements on his...
3 example Atoms- Smallest Unit of Matter Example 1 Video duration: 2m Ask a question 0 377 Ask a question 1 431 6 concept Atomic Properties Video duration: 7m Ask a question 1 366 7 example Atoms- Smallest Unit of Matter Example 2 ...
We are made of atoms that contain electric charges. Why we do not feel any electric force in our daily life?Atom:In chemistry, the atoms can be described as the tiniest particle which contains nucleus at its center around which particles having neg...
Everything you can see, touch, smell, feel, and taste is made of atoms. Atoms are the basic building-block of all matter (including you and me, and everyone else you’ll ever meet), so if we want to know about what Earth is made of, then we have to know a few things about ...