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Why is ice at 273 K more effective in cooling than water at the same temperature?

Asked by Anmol 07/12/2017 Last Modified 11/10/2025

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What do you think would be the observation if the ? -particle scattering experiment is carried out using a foil of a metal other than gold?

Gold was chosen for particle scattering experiment as it is highly malleable( can be beaten into thin sheets) and ductile( can be drawn into thin wires). Atoms and molecules are much much tinier than sand...

Umamahesh

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If K and L shells of an atom are full, then what would be the total number of electrons in the atom?

10 electrons and if there are only k and l shell then the element will be helium

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What are alloys?

It is mixture of metals example steel,bronze. Bronze is alloy of aluminium,nickel or zinc and manganese. Steel is made of iron,chromium also small percentage of carbon,nickel,

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Name the three sub-atomic particles of an atom.

Protons, neutrons, and electrons are the three main subatomic particles found in an atom. Protons have a positive (+) charge. An easy way to remember this is to remember that both proton and positive start...

Rajmohan

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If number of electrons in an atom is 8 and number of protons is also 8, then (i)what is the atomic number of the atom? and (ii) what is the charge on the atom?

As given no. of protons is 8 so the atomic no. would be 8... As no. of protons and no. of electrons are equal so the atom will be neutral...

Rajendra

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One end of a long string of linear mass density 8.0xl0_3 is connected to an electrically driven tuning fork of frequency 256 Hz. The other end passes over a pulley and is tied to a pan containing a mass...

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Reflection Of Light (Questions)

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