单选题: All atoms of a given element have the same ___. 选项: A. number of electrons and neutrons B. mass C. density D. number of protons E. number of neutrons 相关知识点: 试题来源: 解析 [number of protons] 反馈 收藏
of the element. Each oxygen atom has eight protons in its nucleus, while each aluminum has thirteen. We call these substances elements because all their atoms are of the same type;they all have the same number of protons in the nucleus. The element is made up of chemical units which have...
atom, and this number determines or decides the nature of the element. Each oxygen atom has eight protons in its nucleus, while each aluminum has thirteen. We call these substances elements because all their atoms are of the same type;they all have the same number of protons in the nucleus...
解析 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时候,关系词whose不仅仅适用于人,也可以适用于物)...
百度试题 结果1 题目An element is a substance all of _ atoms have the same atomic number. () A. that B. whose C. what D. which相关知识点: 试题来源: 解析 B 反馈 收藏
An element is a substance all of _ atoms have the same atomic number.A.thatB.whoseC.w
搜索智能精选 题目An element is a substance all of _ atoms have the same atomic number. A. that B. whose C. what D. which 答案B
Atoms and Their Atomic NumbersAll atoms have different numbers of protons,neutrons,and electrons.The protonsare positively charged and are in the nucleus.Neutrons are also in the nucleus.Butthey have no charge.And electrons orbit the nucleus.They have negative charges.The number of protons and ...
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all atoms of this element contain 36 protons. this element contains 196.97 protons and neutrons. 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 ...