Atoms of one element can join atoms of another element to make a molecule of something different from ___ of the elements themselves. A) either B) neither C) all D) none 相关知识点: 试题来源: 解析 答案:A 解析:考查代词的用法。此句意思是:一个元素的原子能与其它元素的原子结合形成某个...
athere is one right over there 在那有一权利[translate] acycle time inlet valve exceeded 正在翻译,请等待...[translate] aIn chemical reactions, atoms of one element are changed into atoms of another element. 在化学反应,一个元素原子被改变到另一个元素原子。[translate]...
As shown in the periodic table of the elements inside the back cover of this textbook, there are more than 110 different elements. What makes an atom of one element different from an atom of another element? 书后的元素周期表有超过110种不同的二元素。一种元素的原子与另一种元素的原子的区别...
书上说element是由一种atom组成的然后有的atom连接在一起成为了molecule就是说element是由一种atom或者molecule组成的吗结果一 题目 英语翻译elements are substances made up of only one kind of atom.atoms of an element all contain the same number of protons.elements can be classified according to the pa...
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 of single atoms placed closely together within the solid, e.g. copper, iron, ...
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Module 1 - atoms, moles, molecules
A chemical element is a pure chemical substance consisting of one type of atom distinguished by its atomic number. Carbon, Oxygen, Silicon, Arsenic, Aluminum, Iron, Copper, Gold, Mercury etc. are all examples of elements. Note : Hydrogen and Helium are the most abundant elements in the unive...
(atoms with) same number of protons/atomic number/of same element different number of neutrons/different mass number/different nucleon number [21(ii) Which two of the six atoms shown are isotopes of each other?EAND G..[1]...(iii) Why do isotopes have identical chemical properties?they...
B. Named the smallest pieces of matter – Atom. The atom The Greek Model Democritus 2. Hypothesized – Atoms were infinite in number, always moving, and capable of joining together. 3. Not widely accepted – Could not prove theories. The atom Atom – The smallest particle of an element ...