刷刷题APP(shuashuati.com)是专业的大学生刷题搜题拍题答疑工具,刷刷题提供The atomic number of an atom is:A.the number of electronsB.the number of neutronsC.the number of protonsD.the number of protons plus the number of neutrons的答案解析,刷刷题为用户提供
The atomic mass of the element is determined by the combined masses of neutrons and protons. True or false? Explain. Answer and Explanation: The atomic mass or atomic weight of an element (or put it in simple term, mass of an atom) is found ...
刷刷题APP(shuashuati.com)是专业的大学生刷题搜题拍题答疑工具,刷刷题提供The atomic number of a chemical element is counted by the number of ( ) that the atom contains .A.electronsorprotonsB.electronsplusprotonsC.nucleusD.neutrons的答案解析,刷刷题为用户提
The atomic weight of an atom, or the molecular weight of a molecule, is its mass relative to that ofa___ atom. This is essentially equal to the number of protons plus neutrons that the atom or molecule contains. A oxygen B hydrogen C helium D carbon 相关知识点: 试题来源: 解析 B ...
Describe the distribution of mass and charges within an atom. Deduce the numbers of protons, neutrons and electrons present in both atoms and ions given proton and nucleon numbers. Describe the contribution of protons and neutrons to atomic nuclei in terms of the proton number and nucleon number...
The atomic number (原子序数) is equal to the number of electrons per atom or, what is equivalent, the number of protons (质子) per nucleus.相关知识点: 阅读 文言文阅读 文言题类 文言文阅读——翻译 试题来源: 解析 [答案]原子序数等于每个原子的电子数或者相当于每个原子核的质子数。
If the number of (b) ___ changes, the atom is of a different element. Atomic Structure: Atoms, the tiny particles that make up elements and combine to form functional molecules, are composed of three particles. Protons have a ...
The goal of this paper is to evaluate numerical methods for the accurate calculation of the Coulomb propagator in an L\(^2\) basis and to understand its convergence behavior. J-Matrix-based applications in atomic physics, such as electron-atom-scattering and photoionization or nucleon–nucleon sc...
百度试题 题目What indicates the atomic weight of an atom? 相关知识点: 试题来源: 解析 The atomic weight of an atom indicated how many protons and neutrons in the nucleus.
Protons and neutrons form the atomic nucleus. Electrons are attracted to the protons in the nucleus, but are moving so quickly they fall toward it (orbit) rather than stick to protons. The identity of an atom is determined by its number of protons. This is also called its atomic number. ...