On p. 289 of the Chemical News we say: " On investigation we find that this line of wave-length 1-032 A units fell exactly between the theoretical La1 and La.z lines of element of atomic number 87. We looked for the L/3 line of this element, but failed to find it, as the ...
An element has atomic number 29. it belongs toxperiod anyygroup. Given value of2x+y: View Solution Exams IIT JEE NEET UP Board Bihar Board CBSE Free Textbook Solutions KC Sinha Solutions for Maths Cengage Solutions for Maths DC Pandey Solutions for Physics ...
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...
Define atomic number 9. atomic number 9 synonyms, atomic number 9 pronunciation, atomic number 9 translation, English dictionary definition of atomic number 9. Noun 1. atomic number 9 - a nonmetallic univalent element belonging to the halogens; usually a
An element with atomic number 48 (Z = 48) of the periodic table will View Solution Doubtnut is No.1 Study App and Learning App with Instant Video Solutions for NCERT Class 6, Class 7, Class 8, Class 9, Class 10, Class 11 and Class 12, IIT JEE prep, NEET preparation and CBSE, UP...
An element, simply put, is afundamental unit of matter that cannot be easily broken down. It consists of a specific number of protons and variable neutrons and electrons. All of matter is made of these 118 elements, combined in various ratios and kept in different states, like solids. ...
An element X (atomic number 17) reacts with an element Y (atomic number 20) to form a divalent halide. What will be the nature of oxide of element Y? Identify the nature of bonding in the compound formed. View Solution An element X (atomic number 17) reacts with an element Y (atom...
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
5. Element has no stable nuclides. The value enclosed in brackets, e.g. [209], indicates the mass number of the longest-lived isotope of the element. However three such elements (Th, Pa, and U) do have a characteristic terrestrial isotopic composition, and for these an atomic weight is...
CAS Registry Number:7440-22-4 Silver Trivia: Silver's element symbolAg, is from the Latin wordargentummeaning silver. In many cultures, and somealchemical texts, silver was associated with the Moon while gold was associated with the Sun. ...