Write the symbol, atomic number, number of protons, number of neutrons, and number of electrons for Calcium, an element with mass number 42. An atom of element X contains 46 protons and 60 neutrons. Identify the element and write the symbol for...
Electronic configuration = 1s^(2) 2s^(2) 2p^(6) 3s^(2) 3p^(6) 4s^(2) . Period no. = highest principal quantum no. = 4
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.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...
An element with atomic number 113 has been discovered.It will belong to which of the following block,group number,period and outershell electronic configurati
an element is a substance ,all of ___ atoms have the same atomic number为什么选whose ?. 答案 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...
What is a transuranium element? What name is given to the elements with atomic numbers greater than 92? What is the name of the Ne element? Which element has the lightest atoms? What is the name of the He element? How do you know what element is chemically active on the ...
To determine the period of the periodic table to which an element with atomic number 33 belongs, we can follow these steps:Step 1: Identify the Atomic Number The atomic number (Z) of the element is given as 33.St
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...
An atom with an atomic number of 10 and a mass number of 24 would have ___. A) 14 electrons B) 24 protons C) 14 neutrons D) 10 neutrons An Atom: Different atomic elements have different numbers of protons as this is ke...
百度试题 结果1 题目The atomic number of an element represents the number of ___. A. protons B. neutrons C. electrons D. protons and neutrons 相关知识点: 试题来源: 解析 A。元素的原子序数代表质子数(protons)。反馈 收藏