百度试题 结果1 题目12 An element Z forms a chloride ZCl, which contains 65 5% of chlorine by mass What is the relative atomic mass of Z ?B A 27 B 56 C 52 D 96 相关知识点: 试题来源: 解析 B 反馈 收藏
The relative atomic mass of chlorine may be calculated by taking into account the atomic masses and relative proportions of its isotopes: Isotope 1 Isotope 2 Name chlorine-35 chlorine-37 Mass Number 35 37 Relative Proportion 3 : 1 (Mass Number)x(Relative Proportion) ...
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The gram molecular mass of chlorine is 35.453 g/mol.Since this is a decimal value, there must be multiple isotopes of chlorine. Rounding this average... Learn more about this topic: Molar Mass | Definition, Formula & Examples from
15.What is the major reason why people have a relative unlimited rate of population growth? a)The birth rate of human being is high b)With the help of technology, people can have a ecological foot pint all overtheworld c)People can find newresourcesall the time d)None of above 16.The...
Nitrogen Uses and Properties - Nitrogen is a diatomic gas with atomic number 7 and symbol N. Know the nitrogen atomic number, the atomic mass of nitrogen and atomic weight of nitrogen. Explore the Uses of Nitrogen.
Chlorine has a valency of one, typically forming one bond. 10 Atomicity Molecules with multiple atoms. Ozone is polyatomic, consisting of three oxygen atoms. 7 Valency The charge an atom would have if bonds were ionic. Iron can have a valency of two or three, depending on its oxidation sta...
The atomic number of an atom of an element is 17 while its mass number is 35. How many neutrons does the atom have? How do you find the atomic mass of an element? Identify the isotope that has an atomic number of 76 and a mass number of 192. ...
Sodium has the following melting points: 370.87K, 97.72°C, 207.9°F Wiki User ∙12yago This answer is: Add your answer: Earn +20pts Q:What is the melting point of sodium in Fahrenheit kelvin and Celsius? Write your answer... ...