What is meant by the term "stable ion condition"? Explain the trends among the halogens. What characteristic distinguishes element from compound? What is responsible for elements of physical properties? How does
What property of an element is the atomic number based on? Which one of the following is NOT a halogen?\\ A. Iodine\\ B. Mercury\\ C. Clorox bleach\\ D. Chlorine What is the chemical name of ordinary table salt? An element has 43 protons and 50 neutrons. What is the atomic numbe...
3、 Clear concepts and advantages and disadvantages of flame-retardant cables, halogen-free cables, and fire-resistant cables The characteristic of flame-retardant cables is to delay the flame from spreading along the cable sheath, preventing the fire from expanding. Due to its low cost, it is ...
This article presents a personal answer to the question “What is chemistry?”, set out in terms of six propositions. These cover “pureR
Draw the structure of H3PO3. 01:42 How are interhalogen compound formed? What general compositions can be... 04:39 Why does R3P=O exist but R3N=O does not? (R= alkyl group) 02:22 Give reasons for the following : PbCl4 is more covalent than PbCl2 . 04:50 Why nitrogen is less ...
halogen leaving group and protein adduction. Hence, the authors were able to hypothesize that sensitization to low molecular weight chemicals was dependent on protein conjugation [14]. The term hapten was originally defined as “a compound of less than 1000D that instigates immune reactions when ...
What is the cause for turbidity? If two liquids are combined, which usually do not mix with each other e.g., fat and water (like milk), creating a mixture of tiny little droplets, this is called an emulsion. If a solid of very little particles is mixed in a liquid, e.g., water...
is concentrated within a small depth near its surface (skin effect) Reduction in effective cross-sectional area increases the effective resistance Conductor Surface Roughness Conductors on PCBs do not have perfectly smooth surfaces Rough copper improves peel strength of laminate ...
A halide mineral is a mineral which is produced by the reaction of a halogen acid with a base. Halogens are chemical elements which have seven valence...Become a member and unlock all Study Answers Start today. Try it now Create an account Ask a question Our experts can answer your ...
List the characteristic properties of halogens. What are some physical and chemical properties of C12H22O11? What are the general properties of the d-transition metals? What is the definition of matter? What is the main difference in the physical properties of metals and non-metals? Identify the...