What is observed when a noble gas is heated
Q: What is the wavelength of light (in meters) corresponding to the transition between the 1 and 5…
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Q: If a neutral hydrogen atom has an electron in the second energy level is the atom in its ground…
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Q: If a cannonball and a BB have the same speed, which has the longer wavelength?
A: Given: Cannon ball and BB ball
Q: What principal advantage does an electron microscope have over an optical microscope?
A: Given: electron microscope , optical microscope
Q: What happens to an electron when a photon hits it?
A: As per Compton effect, when a photon strikes an electron at rest, some of its energy is lost to the…
Q: Detemine the velocity of an electron in Bohr's H atom for a quantum state n. (HINT: you will leave…
A: The centrifugal force acting along the radial direction outward is equal to the coulombic force of…
Q: What causes dust particles and tiny grains of soot to move with Brownian motion?
A: Dust particles and tiny grains of soot move with Brownian motion. The Brownian movement is the…
Q: What is the principle of corresponding states?
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Q: Why does a sodium street lamp give off a different color light than a neon light?
A: Sodium street lamp gives off yellow color, while a neon light gives of a red color.
Q: What is the difference between photoelectric phenomena and Thermionic emission phenomena
A: as
Q: What element has the lightest atoms?
A: Hydrogen has the lightest atoms. Its atomic number is 1 and its atomic mass is 1.00794 amu. It has…
Q: When was x-ray invented?
A: To determine When X ray was Invented
Q: What happens to an electron when it emits a photon?
A: When an electron jumps from one energy level to another energy level which is lower than the…
Q: Select the elements that are ranked correctly from largest to smallest first ionization energy. F,…
A: Option C is the right answer F, Cl, Br, I
Q: The different colours seen in exploding fireworks are produced using different elements. Element…
A: When a firework is exploded it reacts with oxygen. When it reacts with oxygen the electrons are…
Q: The planetary model for atoms is consistent with
A: Rutherford model, also called Rutherford atomic model, nuclear atom, or planetary model of the atom.…
Q: The Redlich-Kwong equation of state is a modification of what equation? Group of answer choices…
A: Redlich-Kwong equation is a further modification of Van der Waal’s Equation
Q: The characteristic wavelengths of light absorbed by and emitted from an atom is known as the atom's:…
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- The area of a positive photoresist exposed to light will wash away after develop process O change to be a negative photoresist O stick to the sample after develop processDoes an atom have a color?Why does hydrogen emit certain wavelengths of light when electricity is passed through a sample contains the gas