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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