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 ...
carbonatoms have six protons,hydrogenatoms have one andoxygenatoms have eight. The number of protons in an atom is referred to as the atomic number of that element. The number of protons also determines the chemical behavior of the element. Elements are arranged in thePeriodic Table of the El...
The atomic number of an element is 7. How many electrons do exist in the second electron shell in this element? Electronic Configuration: The number of protons and the number of electrons present in a neutral atom is equal to the atomic number of t...
Learn what atomic number, mass number and atomic mass represent. See the concept mass number vs atomic mass. Related to this Question What is the difference between atomic number and mass number of an atom? What is the difference between atomic mass and mass number?
name 200.59 average atomic mass the atomic weight is a measurement of the total number of particles in an atom's nucleus including both protons and neutrons. so the first step is to locate the atomic mass on the periodic table, and round the value to the nearest whole number. 200.59 ...
An atom has electronic configuration of 2,8,18,7. What is the atomic number of atom? View Solution Q5 Question 1 If number of electrons in an atom is 8 and number of protons are also 8, then (i) what is the atomic number of the atom? and (ii) what is the charge on the atom...
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 ...
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 1.Or proton number (Z) The number of protons in the nucleus of an atom. If not electrically charged, this is equal to the number of electrons in its shells. 2.The number of protons in the nucleus of an atom. Dictionary of Unfamiliar Words by Diagram Group Copyright © ...