o your solutions organized and as neat as possible. ENCLOSE all final answers with Tungsten metal crystalizes with a body-centered cubic unit cell. The volume of the nm. a. What is the atomic radius of tungsten in cm? b. What is the volume of a single tungsten atom? c. What is the density of a single tungsten atom? A sample of a newly discovered crystalline substance weights 14,56 grams and displo

Q: A hypothetical element, Le, has a body centered cubic structure with a density of 6.57 g/cm.…

A: Given: Density of element = 6.57 g/cm3 Atomic mass of Le = 55.334 g/mol. And the lattice is BCC.

Q: Covalent bondsa. link water molecules in ice.b. create only nonpolar molecules.c. bind sodium and…

A: Covalent bond: These are chemical bond formed between two atoms in which both atoms share equal pair…

Q: Which corresponds with the image attached?    A. Liquid B. Crystalline Solid C. Gas D.…

A: In the given diagram, the different Molecules move continuesly and get back to change their initial…

Q: When a substance changes from solid to liquid form, the bonds between the particles become stronger.…

A: State change is the physical change .

Q: General Chemistry 4th Edition McQuarrie • Rock • Gallogly Consider the data in the table. Compound…

A: The objective of the question is to calculate the entropy change of fusion (ΔSfus) and vaporization…

Q: During an investigation, temperature when the s flask. What is the most likely r A portion the s A…

A: Answer - option C) the combined substances chemically reacted.

Q: Silver exhibits a cubic crystal structure with a lattice constant (a) value of 0.409 nm. It has an…

A:

Q: MCQ 2: A very small amount of electrical conductivity is measured in A. silicon (Si) only B.…

A: We know that the semiconductors are used to measure the electrical conductivity and silicon and…

Q: Why do impure compounds normally have a lower melting point than the pure substance?

A: Melting point is one of the characteristic property of a compound. It is the equilibrium temperature…

Q: 7. Each of the following statements about the properties of matter are false. Choose two statements…

A: Metals conduct electricity due to flow of electrons while solutions conduct electricity due to flow…

Q: Copper has FCC crystalline structure. The di b0oy and atomic weight are given 8.93 g/cm 3 and 63.54…

A: Copper has FCC crystalline structure. Then the total number of atoms, Z=4 Density=8.92 g/cm3  Atomic…

Q: Which of the following might be best described by the following set of properties? 1. white solid…

A: Given: The compound is a white solid with a melting point of 772 oC.

Q: STREAK 1 STREAK 2 STREAK 3 ck smaple based on its physical characteristics using the provided…

A: Question 1: The rock is made up of crystal grains with flat shiny surfaces. Hence, option A is the…

Q: 4. Water is less dense as a solid than as a liquid. A. Why can solid ice float on liquid water? B.…

A: Answer A- When water freezes into its stable form, the molecules can form extra strong hydrogen…

Q: 46.) Which statement is correct   a. Sugar is a good conductor b. NaCl is a good conductor c.…

A: Electricity is conducted by charges, it can be electrons or ions. The material that can be…

Q: 70. This process is called , O sublimation process recrystallization process O decolorization…

A: Since cooling takes place ans crystallization occurs.  Hence  the process is recrystallizatiion  So…

Q: What is the length of the cubic box? 2. What is the radius of the atoms?

A: To find out the edge length and the radius of the atom for the given crystal lattice.

Q: 2:375 Platinum is a precious metal used in making jewelry. It is rare, and as a result, extremely 4.…

A: To determine us enough energy is given for platinum to melt, we would compare the energy required to…

Q: Choose an example of polymorphs. a.graphite and graphine b.diamond and adamant c.pyrite and gold…

A: Polymorphism is the ability of a substance to crystallize into different crystalline forms. These…

Q: ridium forms a face-centered cubic lattice, and an iridium atom has a radius of is 1.357 x 10-8 cm.…

A:

Q: Name of element *Aluminum Copper Magnesium Mercury Iron Tin Bromine Carbon Chlorine Phosphorous…

A: Generally, metal are lustrous, solid and homogeneous. Metals are those which can conduct electricity…

Q: A substance has a low melting point. It does not conduct electricity either when melted or in the…

A: Free electron conduct electricity

Q: The structure of graphite, the most common carbon polymorph, is illustrated in figure 01. A.…

A: The structure of graphite is explained below:

Q: What is the main purpose of recrystallisation? A. Chemists recrystallise solids when they want to…

A: Crystallization is the process by which a solid forms , where the atoms or molecules are highly…

Q: You can get a "water clock", which works by simply adding water to it. How must it work?   a. The…

A: a. The energy does not come from water. Water's energy is too low to run a device. Hence, this…

Q: Which of the following substances would most likely contain metallic bonding? a. An organic…

A: Metals are good conductor of heat and electricity whereas non metals are bad conductor of heat and…

Q: Explain why are some metals found in their elemental states in nature? Give some examples? Why are…

A: The substance that shows the luster on freshly cutting, polishing, and has the thermal, electrical…

Q: 1. Why is metallic crystalline solid a good conductor of electricity? A. Atoms are packed close…

A: All matter can be classified as solid, liquid and gases mainly. In these physical states of matter,…

Q: Place a few crystals of iodine in a dry test tube. Heat the tube and note the changes. Cool the…

A: Tube containing brown iodine solid when heated the solid iodine directly turns into purple vapour of…

Q: Solidification is the process of changing the state of the material from . powder to solid liquid to…

A: solidification is the process of phase transformation from liquid to solid .

Q: bes not conduct electr ot dissolve in water. nt. What is it?

A: Metallic solid have high melting point and it's doesn't dissolved in water but it's conduct the…