A. The number of protons B. The number of neutrons C. The number of electrons D. The sum of protons and neutrons 相关知识点: 试题来源: 解析 A。原子序数由质子数决定。选项 A 正确,原子序数等于质子数。选项 B 中子数不能决定原子序数。选项 C 电子数在原子呈电中性时等于质子数,但不是决定原...
the order of an element in Mendeleyev's table of the elements; equal to the number of protons in the nucleus or electrons in the neutral state of an atom of an element 更多 英文 词典里"atomic number"的近义词 英文 叙词表中“atomic number"的另一个词是number。 number 更多 atomic numbe...
What is the number of protons plus the number of neutrons in the nucleus of an atom equivalent to? (a) atomic charge (b) atomic number (c) mass number (d) atomic weight. What are the symbol, name, and the atomic number of the element that has 21 protons in ...
Word family adjectiveatomicatomicalatomisticadverbatomicallyatomisticallynounatomicityatomismatomistatomizationatomizeratomyatomic energyatomic numberatomverbatomize Related topics: Chemistryaˌtomic ˈnumber noun [uncountableU] technical the number of protons in the nucleus (=central part) of an atom ...
atomic numberdoi:10.1007/978-3-642-41714-6_13119atomic number , proton number [ The number of protons in an atomic nucleus ] ● Atomzahl fatomic numberThe number of protons in an atomic nucleusfSpringer, Berlin, Heidelberg
百度试题 结果1 题目The atomic number of an element represents the number of ___. A. protons B. neutrons C. electrons D. protons and neutrons 相关知识点: 试题来源: 解析 A。元素的原子序数代表质子数(protons)。反馈 收藏
na.【化】原子序数 网络原子数;原子序号;原子量 复数:atomic numbers 权威英汉双解 英汉 英英 网络释义 atomic-number n. 1. 原子序数(指原子在元素周期表中的序号)the number of protons in the nucleus (= centre) of an atom, which is characteristic of a chemical element. Elements are placed in the...
A. the number of protons in an atom B. the number of neutrons in an atom C. the number of electrons in an atom D. the total number of particles in an atom 相关知识点: 试题来源: 解析 A。元素的原子序数告诉我们一个原子中的质子数。原子序数等于质子数,选项 B 中子数不能由原子序数确...
This is the number ofatomsin a 12g sample ofcarbon-12 (C12). This is equal to 6.0221367E23atoms. It is named for Italian chemist Amadeo Avogadro (1776-1856) who first stated the principle in 1811. Azimuthal Quantum Number (angular momentum quantum number) ...
Protons Number of Neutrons Mass Number carbon 12 8 8 hydrogen 1 6 14 hydrogen 2 nitrogen 14 1 2 92 146 cesium 82 11 12 47 108 tungsten 110 45 80 24 52 89 152 silver 107 76 114 How are theatomic numberand thenumber of protonsrelated to each other? How do thenumber of protons,numb...