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 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 ...
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。
Atomic Number Equals the number of protons and electrons Each element has a unique atomic number. Atomic Number 13 Al Aluminum Mass Number The mass number of an atom is the sum of the protons and neutrons in the nucleus of that atom. 13 Al Aluminum Mass Number …How do you find the num...
几道英语化学题!1.how are the atomic numbers and the atomic masses of the elements related to how the elements are arranged on the periodic table?2.how does the number of electrons relate to the arrangement what is the different in the number o
【简答题】The atomic weight of an atom, or the molecular weight of a molecule, is its mass relative to that of a(n) ___ atom. This is essentially equal to the number of protons plus neutrons that the atom or molecule contains.如何将EXCEL...
of an element have the same atomic number. You will remember that the atomic number is the number of protons (= very very small pieces of matter that carry positive or Å electricity) in the nucleus or centre of an atom, and this number determines or decides the natu...
Chapter 4.1 Atomic Theory. Atom Smallest particle of an element that has all the properties of that element Atomic theory is the study of the nature of.Slides:AdvertisementsAd Similar presentationsAtomic Structure. Atoms are made out of: Protons Neutrons & Electrons These are known as subatomic ...
24.The atomic number of carbon is six.How many electrons(电子)doesone atom of carbon have?A.Two.B.Four.C.Six.D.Twelve.24.The atomic number of carbon is six. How many electrons(电子)does one atom of carbon have? A.Two. B. Four. C.Six. D.Twelve. ...
Distinguish between the atomic number and the mass number of an element. What is an isotope? Element: An element consists of a single kind of atom and cannot break into different types of components. Element is formed of atoms and contains several subparts, includin...