Describe how the concept of chemical bonding is used to design effective drugs. Why don't molecular compounds conduct electricity, but ionic compounds do? The bonding of olefins to transition metals can usually be described as a synergistic interaction. Explain and illustrate ...
How can you know when a molecule is a semi-insulator? Is it only metalloids? Explain. Clearly and concisely define the terms and provide examples of nonmetals. Explain how the bonding of silicon makes it useful as a semiconductor but not as a conductor of electricity. Describe the bonding ...
12(a)(i) Use the information to describe the trends in melting point and .electricalconductivity across Period 2.i)How does the data show that the first four elements in Period 2 are solids atroom temperature and pressure?(b)(i)Does the electrical conductvity of carbon fit the general pat...
Describe the bonding in metals and discuss how this explains high electrical conductivity. What is a practical use for metallic changes? Briefly explain how the conduction of electricity takes place in iron metal. Discuss the various allotropes of sulfur and describe how it can be prepared from...
Describe the different ways metalloenzymes use metals to catalyze the reaction. Explain the observed differences in the following two reactions by comparing the steric and electronic effects involved. Can dark reactions happen if light reactions do not? Explain. Describe in general terms how che...
Explain why metals conduct electricity. Explain what disproportionation is and how it works. Explain the mechanism used. How does a normal AA battery store and convert electrons into useful energy? In chemical terms, explain how soap works. Explain how holes conduct electricity. Define and explain...
How is it useful in the study of chemical reactions? Why are metals good conductors of electricity? Explain why the copper element has two ion charges. Explain why it is unlikely for magnesium to form a cation with a charge of +1. Why do some electrochemical cells employ inert ...
Answer the following question about the characteristics of the elements in Group 1 (the alkali metals). How do they react with bromine? a. A salt is formed (MBr_2) b. a salt is formed (MBr) c. no In terms of structure, explain why a water solution of salt conducts electricity but ...
Describe how the properties of the different types of elements (metals, nonmetals, metalloids) differ. Why do the group 8A elements rarely react with other elements? Why do elements in the same family generally have similar properties? Explain why the noble gases do not react ...
What are two ways that you can tell if an element is a metal or a non-metal? Describe some of the properties of carbon. How can you describe matter? Describe the atom and the components it is made of. Describe the properties of water. Describe the characteristic properties of metals, no...