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为什么选whose ? 请高手讲讲..相关知识点: 试题来源: 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...
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
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
Atoms and Their Atomic Numbers All atoms have different numbers of protons, neutrons, and electrons. The protons are positively charged and are in the nucleus. Neutrons are also in the nucleus. But they have no charge. And electrons orbit the nucleus. They have negative charges. The number ...
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 ...
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A. We have atoms all around us. B. All atoms are moving. C. There are millions of atoms in only one grain of salt. D. When heated, an object will hold together and give its shape. 相关知识点: 试题来源: 解析 D解析:本题测试辨认正确信息的能力。原文第3段第2句话指出当物体变热,...
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...