an element is a substance ,all of ___ atoms have the same atomic number为什么选whose ?. 答案 首先句子后面是作定语的,由主句可以知道,修饰的是主语element.因为atoms是原子的意思,对于元素来说,逻辑关系自然是“元素里的原子”,所以element和atoms具有从属关系,用whose(注意啦!在定语从句表示从属关系的...
are all gases whose molecules have two atoms each. The chemical symbol or sign of an element stands for one atom of the element. The formula of the element, however, stands for one molecule of the element. Most elements are solid at room temperature. Some of these elements are made up ...
HE'SLIVINGINHISCAR. 这是你的房♥子我相信你 IT'SYOURHOUSE,ANDITRUSTYOU. 一个元素中的原子 ATOMSWITHINANELEMENT 有着全价壳层 HAVEFULLVALENCESHELLSTHATARE... 呃不太可能成键 UM,UN--UNLIKELYTOBOND. 稳定原子中的不稳定核衰变 UNSTABLENUCLEIDECAYINASTABLEATOM'S... ...
this is the most reactive of all elements. what do elements in the same column have in common?all atoms of this element contain 38 protons. this element contains 227 protons and neutrons.elements that are gases at room temperature are likely to be classified asmetalsnonmetalsmetalloidunreactive...
the first element on the periodictable of elements.Helium is the second element.It has an atomicnumber of 2.This means that it has 2 protons in its nucleus.There are more than 100 different elements.Scientists oftenrecognize them according to their atomic numbers.Carbonis the basis for all ...
An element is a substance all of ___ atoms have the same atomic number.A.thatB.whoseC.whatD.which的答案是什么.用刷刷题APP,拍照搜索答疑.刷刷题(shuashuati.com)是专业的大学职业搜题找答案,刷题练习的工具.一键将文档转化为在线题库手机刷题,以提高学习效率
aThe balance of trade is the difference between exports and imports in monetary terms in an economy over a certain period of time. A positive balance of trade means higher exports value over imports and vice versa. Malaysia recorded a trade surplus of RM 5.08 billion in the first quarter of...
An element is a substance, all of ___ atoms have the same atomic numbers.A.thatB.whoseC.whatD.which的答案是什么.用刷刷题APP,拍照搜索答疑.刷刷题(shuashuati.com)是专业的大学职业搜题找答案,刷题练习的工具.一键将文档转化为在线题库手机刷题,以提高学习效率,是学
aThe first ionisation energy of an element is the energy required to remove one electron from each atom in a mole of atoms of the element in the gaseous state 元素的第一游离能是要求的能量从每个原子去除一个电子在元素的原子痣在气体状态 [translate] a卓文萱 Outstanding day lily [translate] a...
R is said to be an atomic domain if every nonzero element is a product of atoms. Atomic domains with a finite number of atoms are called Cohen-Kaplansky (CK for short) domains, and atomic domains with almost all (= all but a finite number of) atoms prime are called generalized CK ...