Nme the non metal with shiny appearance?

Q: 8uls 4-k // Inds 3als M=? m= 3.8 K,

A: Take the rightward direction as positive and leftward direction as negative. The initial velocities…

Q: نقطة واحدة Electrical conductivity of .Ceramics is low because they have a wide electron bands. the…

A: Required : Why is the electrical conductivity of ceramic low ..

Q: Perhaps you have observed magazines which have glossy pages. The usual microscopically rough surface…

A: Yes, it would be easier to read from rough pages because

Q: A rectangular prism with width of 5.2cm and a length of 7.8cm is made of metal alloy. After you…

A: Weight = Density × volume × g

Q: A = 2î + 3j + & B = -41 + 23 – k C = 21 – 3j + 4k a) (AX B) · č b) (BX A) c) (AXB) · (CXB)

A:

Q: Silicon and germanium are examples of

A: Silicon and Germanium are   good examples of Semiconductors

Q: What factors affect the melting point of a metal?

A: The factor the affect the melting point of a metal is the attractive force between the molecules…

Q: Repeatable entity of a crystal structure is known as a. unit cell b. lattice C. miller indices d.…

A: Unit cell is the smallest entity of a crystal lattice which, when repeated in space (3 dimensions)…

Q: y describe are dislocations are necessary or bad ects in metals.

A:

Q: what is Macroscopic Crystal?

A: A crystalline structure is any structure of ions, molecules, or atoms that are held together in an…

Q: What physical property of a metal is preferred when making musical instruments? a) Ductile b)…

A: Answer:       Sonorous property.

Q: Suggest a reason why the replacement of 12C by 13C inC02 affects some of its vibrational frequencies…

A:

Q: A soldier sees the flash from a cannon that is fired in the distance and 10 seconds later he hears…

A: Given: The time interval is 10 s. The temperature of the air is 33°C.

Q: is an example of a semiconductor material O a. silicon O b. carbon O c. gold O d. silver

A: Semiconductors are materials which have a conductivity between conductors (generally metals) and…

Q: What is worl function of the metal?

A:

Q: State what most a particles being straight on suggests about the structure of the atoms in the metal

A:

Q: A bricklayer lays a piece of mortar that's mass is equal to 18.2kg. It as well it has an apparent…

A:

Q: Also called as undoped semiconductor. Olntrinsic materials Extrinsic materials Impurities O…

A:

Q: Which one of the following is not an amorphous substance? (A) Rubber (B) Glass (C) Polymer (D)…

A: In physics and chemistry, amorphous is a term used to describe a solid which does not exhibit…

Q: is an example of a semiconductor material O a. silver O b. silicon O c. gold O d. carbon

A: Silicon Silicon is an example of a semiconductor material.

Q: How do you solve for a specific heat of a metal?

A: The amount of heat required to raise the temperature of a body depends on the following factors: On…

Q: 12.8m Find the ycomporant of the not elecric Fierd.

A: Draw the schematic diagram of the system.

Q: What is the relation betwen iron and copper?

A: The chemical element iron has the symbol Fe and the atomic number 26. It is a metal that belongs to…

Q: Iridium is not the heaviest atom found in nature. What, then, accounts for a chunk of pure iridium…

A:

Q: The 2010 Nobel Prize in Physics was awarded for the discovery of graphene, a two-dimensional form of…

A: Since this is a 2-D lattice, an atom can only oscillate in 2 independent directions. Thus, the…

Q: Which of the following is true about polycrystalline silicon?

A: Polycrystalline silicon consists of many smaller silicon grain of varied crystallographic…

Q: Mass Data and Calculations Table M1 (g) M2 (g) M3 (g) M4 (g) M(g) M(kg) 12 12.112.2 12 Aluminum 63.8…

A: In this question we have to find the mean of different quantities given in the question. Please give…

Q: One component of a metal sculpture consists of a solid cube with an edge of length 0.263 m. The…

A: Given:- Edge of cube = 0.263 m = 26.3 cm density of cube = 6530 kg/m3

Q: ЗА ЗА 4 A 2 A (с) (d) ЗА 4 A 2 A 2 A (e)

A:

Q: Why does ink from ordinary fountain pen spreads if water is spilled on a page written with it.

A: Fountain pens rely on a combination of gravity and changes in air pressure to write on paper that is…

Q: A metal ore consist of element X and Y with relative aboundance in volume of 20% and 80%…

A: Dear student The Density is defined as : Density = Mass / Volume With the above formula we can also…

Q: Aluminum 1 Germanium 2 Hard rubber 3 Glass 4

A: To determine: From the given options, which is a conductor material

Q: RECTANGU LAR BLOCK Of CARBON IS SHOWN. L:3cm a=2mm b=2mm V= lOV

A: The length of the block L=3 cm=0.03 m The area of cross section of the block…

Q: is an example of a semiconduct material O a. gold O b. silver c. silicon O d. carbon

A: Silicon is an example of semiconductor material. Silicon has 4 valence electrons which gets shared…

Q: Why is it valid to represent the structure of a crystalline solid by the structure of its unit cell?

A: Because in a crystalline solid these unit cell repeats itself to form the complete solid.

Q: 19. Ruth left a wax candle In her car for several hours on a warm day. Whlch describes the change In…

A: Ruth left a wax candle in her car for several hours on a summer (warm) day. Due to the high…

Q: p(7) = k sin 0' coso' %3D

A: Total charge=Q Charge Density ⍴(r)=ksinθcosɸ Radius of sphere given=R Monopole total charge can be…

Q: Print reading requires understanding the ____________________between a _________________,…

A: Print reading useful in graphical terms.

Q: (1) 8x 10g (2) 2 x 10 J (3) 2 x 10 (4) 4 x 10 J pring

A:

Q: What is 75/100 in simplest form?

A: Bydetermine the HCF of the numerator and the denominator which is 25 for both the numbers 75 and…

Q: Diamond Simple sc Body-Centered Face-Centered fcc bcc Volume of conventional a3 a3 Answer 4 a3 cubic…

A: Given:

Q: theoretical value of the specific heat of cadmium

A: Albert Einstein first proposed the concept of theoretical value of specific heat. Theoretical…

Q: how to determine the yeild point for materials that do not exhibit a well defined yeild point? name…

A: The materials that do not have a yield point, yield strength is used to study their behavior. Yield…

Q: When a solid is changed to a liquid state, the solid

A: when the state of a solid object changes to liquid state, the intermolecular spaces increases as the…