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 e
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...
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 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 two differences in the physical properties of water and a piece of paper. What are the differences between liquids and solids? Determine whether the statement describes a physical or chemical property: c) graphite is a soft, black solid Summarize the physical properties of hydro...
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...
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...
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 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...
Describe 2-Cholro-4-hydroxybutanal and 3-cyclopentyl-2-hepten-4-ol. How would you prepare 100 cm3 of 0.1 M sodium carbonate? Explain the procedure. Describe the chemistry of DNA. Describe the structure of graphite. Describe the proposed mechanisms for the formation of m/z 69, 43, and 41...