Protons, neutrons and electrons are the major constituents of an atom and determine its chemical properties. Protons and neutrons are centered...Become a member and unlock all Study Answers Start today. Try it now Create an account Ask a question Our experts can answer your tough homework ...
The atomic theory explains the nature of matter. What are atoms made up of? A. Protons, neutrons and electrons B. Molecules and compounds C. Gases and liquids D. Solids and plasmas 相关知识点: 试题来源: 解析 A。解析:原子理论解释了物质的本质,原子由质子、中子和电子组成。分子和化合物、...
On the other hand, Electrons are also subatomic particles but carry a negative charge and exist outside the nucleus in specific orbits. 9 In terms of mass, Neutrons are relatively heavier, almost equivalent to protons. Electrons, by comparison, are much lighter. In fact, the mass of an ...
What are the properties of protons, neutrons, and electrons. How are they important to the atomic structure? What is the mechanism by which Herceptin controls cancer? What is the purpose of experimental control? What is the distinction between the terms "experimental set-up" and "control set-...
2.What is known to us is that the sun rises in the east.众所周知,太阳从东方升起。 3.What is known to us is that electricity can be dangerous.众所周知,电是危险的。 4.What is known to us is that atoms are made up of protons, neutrons and electrons.众所周知,原子是由质子、中子和电...
The atom is the smallest unit on Earth. It is the basic component of any type of matter. It cannot be broken down or sectioned. Protons, neutrons and electrons make up the subatomic particles of an atom. The three subatomic particles determine the overa
Most atoms have three different subatomic particles inside them: protons, neutrons, and electrons. The protons and neutrons are packed together into the center of the atom (which is called the nucleus) and the electrons, which are very much smaller, whizz around the outside. When people draw ...
are the smallest bits of ordinary matter Whereas an element is a substance that is made entirely from one type of atom Atoms themselves can be 'broken down' into smaller sub-atomic particles (protons, neutrons and electrons) - the amounts of these (particularly the number of protons) defi...
It is now generally accepted that atoms are made up of three particles called neutrons, protons, and electrons. The neutrons and protons are found in the nucleus (center) of the atom and the electrons reside in a shell surrounding the nucleus. Neutrons are heavy particles, but they have no...
atoms, electrons are elementary particles. This means they are not composed of even smaller particles. Also unlike protons and neutrons, electrons have essentially no mass. Finally, electrons are different from protons and neutrons in that they surround the nucleus instead of being part of the ...