Definition of Lr 1.1 Names 1.1.1 Common name: Lr is an abbreviation for Lawrencium, a chemical element. 1.1.2 English name: Lawrencium. 1.2. Atomic mass: 262 u. 1.3. Atomic weight: 262. 1.4 Ion structure: Lr does not exist in ion form under natural conditions. Properties of Lr 2.1 Physical properties of Lr State: A closely conductive … Read more
Definition of No 1.1 Common name: Nitrogen (No). English name: Nitrogen. 1.2 Atomic mass: Nitrogen has an atomic mass of 14. 1.3 Atomic weight: The atomic weight of nitrogen is 14 atomic mass units (u). 1.3.1 Molecular structure: A nitrogen molecule consists of two nitrogen atoms bonded together by a triple covalent bond, symbolized as … Read more
Give 5 examples [if any] Md Applications 5.1 Applications in everyday life 5.2 Applications in industry 5.3 Applications in healthcare 5.4 Applications in agriculture 5.5 Applications in science and technology Note: Each section should have at least one relevant illustrative image. Therefore, students need to understand chemical substances well by mastering their definitions, names, atomic … Read more
Provide 5 examples [if available] Applications of Fm 5.1 Applications in everyday life 5.2 Applications in industry Negative effects of Fm 6.1 Negative effects on human health 6.2 Negative effects on the environment Note: This is just a general introduction, students should refer to accurate and reliable information sources for more precise and comprehensive knowledge … Read more
Give 5 examples [if available] Applications of Es 5.1 In everyday life 5.2 In industry 5.3 In medicine To grasp the knowledge of chemical substances, students need to fully understand the basic knowledge about the structure of atoms, molecules, ions, physical and chemical properties of the substance, how to prepare and applications of that substance. … Read more
Cf is the symbol for Curium, a rare chemical element with the atomic number 98. This substance was first discovered in 1950 by scientists at the University of California, Berkeley, under the direction of Glenn T. Seaborg. The atomic weight of Cf atoms ranges from 243 to 251. The molecular structure of Cf is very … Read more
Bk, also known as Berkelium, is a chemical element in the periodic table, with the symbol Bk and atomic number 97. It belongs to the actinide group and is one of the chemically synthesized elements, meaning it does not exist in nature and must be created in a laboratory. 1.1.2 Its English name is also … Read more
Sorry, but “Cm” is not the symbol of any chemical substance or element that I know of. Could you provide more information so I could assist you better?
Definition of Ammonia Ammonia (also known as Amoniac or Amoni) is a chemical compound consisting of two elements: nitrogen and hydrogen. In English, it is called “Ammonia”. Its atomic mass is 14.007u; and its molar mass is 17.031 g/mol. The ammonia molecule consists of one nitrogen atom linked to three hydrogen atoms by three single … Read more
Definition of Pu Pu, also known as Plutonium, is a chemical element with the symbol Pu and atomic number 94. In English, Plutonium is called “Plutonium”. The atomic mass of Pu is 244 u, and the average atomic mass is 244.664 g/mol. The molecular structure of Plutonium contains 94 protons and 150 neutrons. The ion … Read more