Thomson Model of Atom

Q. What were the demerits of Thomson's atomic model?

1. 
2. 
3. 
4. 

Q. According to Thomson's atomic model

1. The positive charge is assumed to be uniformly distributed over the atom.

2. The positive and negative charges are equal in magnitude.

3. Number of electrons is greater than the number of protons.

4. The number of neutrons is equal to the sum of electrons and protons.

Q. Which of the following conclusions did the plum pudding model fail to explain?

1. Motion of electrons in the orbits
2. Neutrality of an atom
3. Presence of negative charge
4. Nucleus of an atom

Q. _______ atomic model is also known as the plum pudding model.

1. Thomson's
2. Rutherford's
3. Bohr's
4. Dalton's

Q.

Name the neutral subatomic particle.

Q. Why is the JJ Thomsons model known as the plum pudding model? What were its loopholes?

Q.

According to Thomson, positive charges were 183 times greater than electrons in magnitude; hence the atom as a whole was positively charged.

1. 2

2. 6

Q.

Which of the following statements is most suitable as the postulates of Thomson’s model of an atom?

1. An atom consists of a negatively charged sphere and neutrons are embedded in it

2. An atom consists of a positively charged sphere and electrons are embedded in it

3. The negative and positive charges are equal in magnitude

4. An atom consists of a positively charged sphere and electrons are embedded in it, the posivite and negative charges are equal in magnitude.

Q. What is the spelling of JJThomson

Q. The first model of an atom was proposed by

1. J.J Thomson
2. Ernest Rutherford
3. James Chadwick
4. Niels Bohr

Q. The plum pudding model was proposed by J.J Thomson.

1. True
2. False

Q. The first model of an atom was proposed by

1. James Chadwick
2. Niels Bohr
3. Ernest Rutherford
4. J.J Thomson

Q.

Which of the following are the postulates of Thomson’s model of an atom?

1. An atom consists of a positively charged sphere and electrons are embedded in it

2. The negative and positive charges are equal in magnitude

3. An atom consists of a positively charged sphere and electrons are embedded in it, the posivite and negative charges are equal in magnitude.

4. An atom consists of a negatively charged sphere and neutrons are embedded in it

Q. According to J.J Thomson's atomic model, an atom consists of a charged sphere and are embedded in it.

1. positively
2. negatively
3. electrons
4. protons

Q. According to J.J Thomson, the atom can be divided into its subatomic particles i.e., electrons, protons and neutrons.

1. True
2. False

Q.

Which of the following was not proposed by Thomson in his model?

1. An atom is electrically neutral

2. Electrons revolve around the nucleus

3. The mass of an atom is uniformly distributed over the atom

4. None of these

Q. According to Thomson's atomic model

1. The positive charge is assumed to be uniformly distributed over the atom.

2. The positive and negative charges are equal in magnitude.

3. Number of electrons is greater than the number of protons.

4. The number of neutrons is equal to the sum of electrons and protons.

Q.

According to Thomson model, the mass of the atom is assumed to be uniformly distributed over the atom.

1. True

2. False