Question
Explain Thomson Model of atom.

Answer

According to J.J. Thomson (1898), atom is a charged sphere, on which the positive charge is distributed thoroughly and the electrons are embedded in it in way that a stable constant electric arrangement is obtained. This is known as Plum pudding model or watermelon model. In this positive charge is considered as pudding or watermelon and electron is considered as plum or seed.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Similar questions

In each of the following pairs of salts, which so one is more stable?
  1. Ferrous and ferric salts.
  2. Cuprous and cupric salts.
Kb for NH4OH is 1.8 × 10-5 and for CH3NH2 is 4.4 × 10-4 Which of them is strongest base and why?
If the value of energy related to the first orbital of hydrogen is $-13.6 eV /$ atom, then find the energy related to the third orbital.
Assign the position of the element having outer electronic configuration.
(n-2) f (n-1)d1  ns2 for n = 6, in the periodic table.
Write IUPAC name of following compounds :
Image
When 6.488 gm lead is treated with 1.002 gm oxygen $PbO _2$ is formed. It can form by heating $Pb \left( NO _3\right)_2$ also, in which percentage of oxygen is $13.38 \%$. Prove that it follows law of definite proportion.
A sample of drinking water was found to be severely contaminated with chloroform, $CHCl _3$, supposed to be carcinogenic in nature. The level of contamination was 15 ppm (by mass).
(i) Express this in percent by mass.
(ii) Determine the molality of chloroform in the water sample.
Pressure is determined as force per unit area of the surface. The SI unit of pressure, pascal is as shown below:
$1 Pa=1 Nm ^{-2}$
If mass of air at sea level is $1034 g cm ^{-2}$, calculate the pressure in pascal.
Write IUPAC names of the following compound:
$\text{CH}_3(\text{CH}_2)_4\text{CH}(\text{CH}_2)_3\text{CH}_3\\\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ |\\\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \text{CH}_2-\text{CH}(\text{CH}_3)_2$
An alkene (molecular weight = 56) on reaction with trioxygen followed by zinc/ CH3COOH gave only ethanal. Identify the structure of the alkene.