百度试题 结果1 题目必答All atoms of a given element have the same_. A. mass B. number of protons C. number of neutrons D. number of electrons and neutrons E. 相关知识点: 试题来源: 解析 B 反馈 收藏
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)...
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 ...
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...
The evolution of the atomic Theory: 1.Dalton 2.Rutherford’s gold foil experiment 3.Bohr models 4.Quantum Mechanics All matter is composed of atoms Atoms cannot be made or destroyed All atoms of the same element are identical Different elements have different types of atoms Chemical reactions oc...
thesame.Every element has a different number of protons.This helps make it differentfrom another element.An element's atomic number is the same as its number ofprotons.For example,hydrogen has only 1 proton.So this means thatit has an atomic number of 1.It is the first element on the ...
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
After all, the Sun has many more atoms of any element, say iron, than does a meteorite specimen, but the ratios of iron to silicon in the two kinds of matter might be comparable. The compositional similarity is striking. The major difference is that Allende is depleted in the most ...
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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