postulates of scattering experiment?
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Rutherford concluded from the α-particle scattering experiment that:
(i)Most of the space inside the atom is empty because most of the α-particles passed through the gold foil without getting deflected.(ii)Very few particles were deflected from their path, indicating that the positive charge of the atom occupies very little space.(iii)A very small fraction of α-particles were deflected by very large angles, indicating that all the positive charge and mass of the gold atom were concentrated in a very small volume within the atom
(i)Most of the space inside the atom is empty because most of the α-particles passed through the gold foil without getting deflected.(ii)Very few particles were deflected from their path, indicating that the positive charge of the atom occupies very little space.(iii)A very small fraction of α-particles were deflected by very large angles, indicating that all the positive charge and mass of the gold atom were concentrated in a very small volume within the atom
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Valency means how many electrons have to take and give by elements in order to be stable
plzz tell me fast i hve to study
i knw the meaning bt i forget it every time
can u tell me how i can cram it
First, u take 1 element,suppose sodium..Wright it's elec. conf..and see how many elec. present on its outer shell, if it is 2 or 8 then it can easily form duplet and octate,,but if not,then it can give electrons upto 4,and remember metals always give electrons.So in sodium's outer shell it has 1 electron,then it will donate one electron and will form octate
Sodium:-Atom. no.--11,K shell=2,L shell=8,M shell=1...It has 1 electron in it's outer shell(M), then it will give 1 and there will be remain 8 electrons in it's outer shell(L)
After giving one electron from shell M,it formed octate in shell L
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The alpha-particle scattering experiment done by "Earnest Rutherford" led to the discovery of "Nucleus".
It postulated that:-
1. Nucleus of an atom is positively charged.
2. Nucleus of atom is dense and hard.
3. Nucleus of atom is very small as compared to the whole atom.
4. There are lot of space present in an atom.
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It postulated that:-
1. Nucleus of an atom is positively charged.
2. Nucleus of atom is dense and hard.
3. Nucleus of atom is very small as compared to the whole atom.
4. There are lot of space present in an atom.
Hope it helps u!!
Pls,mark as brainliest..
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