Describe how the properties of the different types of elements (metals, nonmetals, metalloids) differ. Explain why graphite has a lower melting point than diamond even though both are carbon compounds. List 3 each physical and chemical characteristics of water and explain them briefly. ...
Describe the properties of water. What are the physical properties of graphite? Describe the characteristic properties of metals, nonmetals, and metalloids. Describe the chemical structural features that can increase the crystallinity of the polymer. ...
What are some of the chemical properties of a substance? What are the physical properties of graphite? Which of the following compounds have the same physical properties? Explain how the crystal structure of metal effects on its physical and mechanical properties? Provide 3 examples to your...
What are the physical properties of graphite? What is the meaning of the term amorphous element? Give an example. Indicate the type of crystal formed by the following substances: (a) C (b) BaCl_2 (c) C_6H_{12}O_6 (d) Ag Describe the nature and characteristics of polychlorinated biphe...
Describe the structure of graphite. Explain why each element has a unique light pattern in a flame. Summarize the physical properties of hydrogen. Is copper an element, a compound, or a mixture? Explain. Describe the physical properties of magnesium hydroxide. Describe naphtha. What are the two...
Explain the differences between graphite and diamond as types of allotropes of carbon. Describe and explain the differences between CO_2 and SiO_2 in terms of their bonding and physical properties. In Step 3. you probably found that Mg(OH)_2 was similar in some ways in its b...
Briefly describe the physical and chemical characteristics of ammonia gas. Describe the chemical properties of table salt (NaCl). Describe the structure of graphite. Explain why the the structure of a molecule/compound is important. Describe a unit cell as precisely as possible. Describe: 1) 3-...
Explain why graphite has a lower melting point than diamond even though both are carbon compounds. Define the characteristics of an acid. What are the physical properties of graphite? Explain why KNO_3 will not dissolve in hexane (C_6H_{14}) ? Describe the characteristics of a good recrystal...
Explain why diamond is an electrical insulator and graphite is an electrical conductor. Define a metal, semiconductor and an insulator. Consider the properties and bonding of each of these materials and categorize them as metals, semiconductors or insulators: Bi, AlF_3, Cu...
Describe how the properties of the different types of elements (metals, nonmetals, metalloids) differ. Why are the properties of alloys generally superior to their constituent components? What are the differences between diamond and graphite? Describe the metallurgy of iron. Exp...