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 ...
This description makes more sense the more chemistry you have studied because a large aspect of the study of chemistry concerns learning about how, why and when certain substances, all of which are made-up of atoms or of atoms that have joined together to form molecules, change in structure ...
249. A___ has taught us what atoms are made up of and how powerful the atom bomb is. A.seamanB.salesmanC.naturalistD.Scientist 请仔细审题,看清楚题目要求,认真作答! 正确答案 验证码: 查看正确答案 试题解析 略 标签:249.A___hastaughtuswhat 本试题...
Atoms are made up of three subatomic particles: protons, neutrons and electrons. Protons are positively-charged while electrons have a negative charge. Neutrons have a neutral charge. Answer and Explanation:1 The number of electrons in an atom determines the electrical charge of the atom. It the...
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...
Everything is made up of atoms. So, what makes up atoms? Atoms are made of protons, neutrons, and electrons, which are also called subatomic particles. Protons and neutrons are in the nucleus of the atom, while electrons are located in orbitals that surround the nucleus....
All atoms are made from the same bits, which are called subatomic particles ("sub" means smaller than and these are particles smaller than atoms). So if you chopped up an atom of iron, and put the bits into a pile, and then chopped up an atom of gold, and put those bits into a ...
___(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...
Did you know that everything in the universe is made of matter, and all atoms are pieces of matter? So, anything you can touch is made of atoms, even your body. You can learn all about atoms in chemistry. What Is an Atom in Chemistry?
Atoms are the basic units of matter. Everything in the universe apart from energy is made of matter therefore atoms make up everything in the universe, according toNorthwestern University. The term "atom" comes from the Greek word for indivisible, because it was once thought that atoms were ...