Which element has the atomic number 6?a) Heliumb)Carbonc) Oxygend) Hydrogen 相关知识点: 试题来源: 解析 b) Carbon 1. **确定原子序数定义**:原子序数对应元素原子核中的质子数。 2. **逐一分析选项**: - **a) 氦 (Helium)**:原子序数为2,由2个质子构成。 - **b) 碳 (Carbon)**:...
3 The atomic number of element Xis 16. Which statement(s) concerning Xis/are correct?A1. X can react with calcium to form an ionic compound.ll. The oxide of X dissolves in water to form an acidic solution.Ill. X can conduct electricity in its molten state. A I and ll only B. ...
The element with atomic number 55 belongs to which block of the periodic table View Solution The element with atomic number 17 belongs to which block of the periodic table ? View Solution View Solution View Solution View Solution Exams
Which of the two will be chemically more reactive , element x with atomic number 17 or element y with atomic number 16? View Solution Which of the two will be chemically more reactive? Element X with atomic number 16 or element Y with atomic number 17. ...
Question: In which species does sulfur have an oxidation number of zero? Sulfur: Sulfur is a chemical element with the atomic number 16. It is part of many important biological molecules because it is part of the amino acids cysteine and methionine which are in many proteins. ...
结果1 题目元素周期表 Which element has the atomic number 29? A. Gold (Au) B. Tin (Sn) C. Copper (Cu) D. Zinc (Zn) 相关知识点: 试题来源: 解析 C) Copper (Cu) 答案: C) Copper (Cu) ... (继续展示其他试题及答案)反馈 收藏 ...
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 ...
Which element has the largest atomic size? (a) B (b) Ga (c) Ti. The trends of the atomic radii of Group 13 elements: Atomic radius is the distance between the nucleus and the outer shell. The trends of almost all groups increase down the group including group 13 elements, ...
Proposed is a zinc oxide-based transparent conductor characterized in having zinc oxide as its primary component, containing an element at 1 to 10 atomic % which has a smaller ion radius than zinc in the zinc oxide and serves as an n-type dopant for the zinc oxide, and containing nitrogen...
Which element has the largest atomic radius? {eq}\displaystyle \rm Na {/eq} or {eq}\displaystyle \rm K {/eq} Atomic Radius: The atomic radius of a particular atom is simply determined as the measurement of the atom's size. The atomic radius is dependent on the state as well as the...