结果一 题目 What is the atomic number of an element?ps:Please answered in English 答案 译文,什么是元素的原子序数?It is the number of an element in thePeriodic table of the elements.相关推荐 1What is the atomic number of an element?ps:Please answered in English ...
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...
Consider the element Au (Atomic Mass = 197). What is the atomic number? What is the atomic mass of the total protons and neutrons in an atom? 1) An element with : 44 atomic number 102 atomic mass What is the element? Express your answer as an isotope. 2) An element with : 52 at...
The atomic number of an element is 12. How many protons and electrons are there in an atom of the element ? View Solution The atomic number of an element is 15. How many protons and electrons are there in an atom of the element?
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01This question is about atomic structure.Figure 1 represents an atom of element Z.Figure 1-B A十01.1Name the parts of the atom labelled A and B.Choose answers from the box.[2 marks]electron neutron nucleus proton A nucleus B electron01.2Which particle has the lowest mass?Choose the ...
34 An element has an atomic number of 4.Which statement about this element is correct?A A It forms ions by losing electrons. B It has four occupied electron shells in each of its atoms. C It is an unreactive gas at room temperature and pressure. D It is found in Group IV of the ...
To find the vapor density of the volatile metal chloride, we can follow these steps:Step 1: Determine the molecular formula of the metal chloride. Given that the atomic mass of the element is 27 and its valency is 3, we can ded
and its atomic number is 90 . The end product of this radiaoctive element is an isotope of lead (atomic mass 208 and atomic number 82 .) The number of α -and β -particles emitted are. A 6 , 3 B 6 , 4 C 5 , 5 D 4 , 6 Video SolutionStruggling...
The atomic number is the number of protons found in the nucleus of an atom. The atomic number is unique to the specific element. Every element have different atomic number. The periodic table is arranged by the atomic number.Answer and Explanation: ...