large model plane

It has been observed that in metals a number of valence orbitals remain empty as the number of valence electrons in metals is generally less than the number of valence orbitals. For example, lithium {(Li, Z = 3) 1s 2 2s 1 } has 2p-orbitals vacant; Sodium {(Na, Z = 11) 1s 2 2s 2 2p 6 3s 1 } has 3p..

After the discovery of the radioactive particles, Rutherford performed an experiment where he bombarded a thin sheet of gold with a particles obtained from a radioactive substance. On striking the gold foil some of the a particles scattered and produced flashes on a zinc sulphide (ZnS) screen ..

) This model could not explain the large angle scattering of alpha particles by thin metal foils. Thomson won his Nobel Prize for his discovery of electrons in cathode rays and Rutherford for ascertaining the nature of nucleus and its radi..

A museum displayed a model of a fighter plane. The length of the model is 29 cm and the scale used to make the model was 1 cm to represent 1.2 ft. What would be the actual length of the plane? => 24.17 ft or 30.2 ft or 34.8 ft or 31.2 ft..

. Some of the integral proteins have very large molecules that extend throughout the phospholipid matrix, projecting out on both surfaces. These proteins are called tunnel proteins or transmembrane proteins. They are believed to have channels for the passage of water-soluble substances. T..

Rutherford's Atom Model (Main Features) - (i) Every atom consists of a nucleus containing the entire +ve charge. The whole mass of atom is concentrated at this core. (ii) The size of the nucleus i.e., 10 - 1 5 m is very small compared to the size of the atom (i.e., 10 - 1 0 m). (iii) The ..

These will give different lines in the spectrum of the atom corresponding to different transitions having definite wavelengths. The sample of hydrogen gas contains a large number of atoms and when energy is supplied, the electrons in different hydrogen atoms absorb different amounts of en..

Which of these is best modeled by a sheet of paper? => plane or quadrant or line or point..

Question: While looking at your image in a large plane mirror, if you touch your left ear it appears as if your image has touched the right ear. Why? Answer: It is due to lateral inversion that we feel that the image has touched the right ea..

Reflection of Sound - When sound is incident on a solid or a liquid surfaceit bounces off the surface like light rays. Sound waves also obey the laws of reflection and refraction. For sound waves to reflect, we need extended surface or obstacle of large size. For example, the rolling of t..