Periodic table, in chemistry, the organized array of all the chemical elements in order of increasing atomic number. When the elements are thus arranged, there is a recurring pattern called the ‘periodic law’ in their properties, in which elements in t
This number became known as an element’s atomic number. 后来,这个数字被称为元素的原子序数。 Today, elements on the periodic table are arranged by atomic number, which gives a more accurate understanding of element properties. 如今,元素周期表上的元素是按原子序数排列的,这使人们对元素的性质有了...
Periodic Table of the Elements Atomic Number Symbol 18 VIIIA 2 4.002602 H 1 2 1 0.0899 -259.14 37 Hydrogen S1/2 2.2 13.5984 -252.87 120 1 1s +1,-1 2 IIA 4 9.012182 3 Name Hydrogen *Density [Note] 0.0899 13.5984 †Ionization Energy (eV) *Melting Point (°C) ...
A. atomic number B. mass number C. atomic weight D. electron configuration 相关知识点: 试题来源: 解析 A。元素周期表中的元素是按照原子序数排列的。选项 B 质量数、选项 C 原子量和选项 D 电子构型都不是元素周期表排列的主要依据。反馈 收藏 ...
题目The periodic table is arranged in order of increasing ___. A. atomic number B. atomic weight C. density D. melting point 相关知识点: 试题来源: 解析 B。原因:文中提到“Mendeleev arranged the elements in order of increasing atomic weight.”。 反馈 收藏 ...
电荷数 - Charge Number 相对原子质量 - Relative Atomic Mass 标准原子量 - Standard Atomic Weight 电离能 - Ionisation Energy / Ionization Energy (英式/美式英语拼写不同) 电子亲合能 - Electron Affinity 电负性 - Electron egativity 基态- Ground State ...
periodic table Modern version of the periodic table of the elements (printable). Encyclopædia Britannica, Inc. periodic table with atomic number, symbol, and atomic weight Periodic table showing each element's atomic number, symbol, and atomic weight. ...
periodic-table
Periodic Table of the Elements with atomic number symbol and weight,站酷海洛,一站式正版视觉内容平台,站酷旗下品牌.授权内容包含正版商业图片、艺术插画、矢量、视频、音乐素材、字体等,已先后为阿里巴巴、京东、亚马逊、小米、联想、奥美、盛世长城、百度、360、招商
美 英 na.【化】元素周期表 权威英汉双解 英汉 英英 网络释义 periodic-table n. 1. 元素周期表a list of all the chemical elements, arranged according to their atomic number 释义: 全部,元素周期表