Indicate the correct answer.a) There are graphite compounds that conduct electricity perpendicularly to the sheets.b) Graphite oxide is a well-defined carbon compound.c) Both answers are false.
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Indicate the correct answer.
a) There are graphite compounds that conduct electricity perpendicularly to the sheets.
b) Graphite oxide is a well-defined carbon compound.
c) Both answers are false.
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- Explain why the atomic structure of diamond is different from the atomic structure of graphite?Indicate the correct answer. Graphite oxidea) is difficult to describe due to its great variety of oxygenated carbon species.b) it does not conduct electricity in the sheets.c) The other two answers are correct.Why is graphene unique?
- The internuclear distance between two closest Kr atoms in solid krypton is about 4.0 Å. The polarizability of krypton is 2.54×10-30 m3, and the first ionization energy is 1351 kJ•mol-1. Estimate the boiling point of krypton. [Hint: Calculate the potential energy due to dispersion interaction for solid krypton, and equate this quantity to the average kinetic energy of 1 mole of krypton gas, which is (3/2)RT.] 4.0 K Supporting Materials Periodic Table I Constants and Supplemental Data Factors3. Associate each of the solids: Csl, SiO2, Ni, and SiCl3H with one of the following sets of properties a). a very hard solid subliming at 2900°C b) a yellowish solid having a melting point of 40°C and is a nonconductor of electricity in the molten state c). a lustrous solid melting at about 1600 °C. Both solid and liquid are electrically conductors. d) a white solid melting at about 700 °C. The liquid is electrically conducting although the solid is not.Sulfur minerals can frequently incorporate thorium as an impurity when crystalizing. 11. What is the CONDENSED electron configuration of Th? 12. What type of element is Th? (Hint: by location on the Periodic Table !)
- 2. A fine white powder has a melting point of 155°C (relatively low). It does not dissolve in water and does not conduct electricity, either dissolved in water or not. What is it? (Metallic, ionic, molecular solid, or network solid) Metallic lonic Molecular solid Network solidWhich would you predict to have a higher melting point, SiO2 or CO2? Why? Please list the actual melting point values. Did your prediction agree Yes or No?Safari 7:34 AM Sun Oct 1 Patterns in Natur...ule 3 assignment 2 Home LE Calibri Bold Italic (E Patterns in Nature Module 3 Assignment 1. Why is glass not a mineral? Insert Draw Layout Review View References BI ●●● U aA 2. Describe several ways in which minerals can form. Directions: Answer each question as thoroughly as possible. Please make sure all of your answers are in your own words. 3. Name two different patterns of crystal growth. Define each one. ili 4. What is a geode? Which type of crystal growth do geodes exhibit? ㅁㅇ =✓ 5. If a mineral is very hard, which type of chemical bonds would that mineral most likely have in its atomic structure, and why? A 19% 0 :
- Match each term to the correct example. Quartz (silicon dioxide) v [Choose ] Molecular solid lonic solid Sulfur (S8) Network covalent solid Metallic solid Amorphous solid Cesium bromide salt Nonbonding atomic solid Copper [Choose ] Solid helium [Choose ]A substance is a brittle crystal that conducts electricity in molten liquid state only. Which type of substance is it? molecular crystal metallic crystal ionic crystal 3D network covalent crystal 2D network covalent crystalWhich of the following might be best described by the following set of properties? 1. white solid melting at 772 °C 2. solid does not conduct electricity 3. solid dissolves in water to form a conducting solution A) BN B) P₄S₃ C) Pb D) CaCl₂ E) Cannot be determined.