Rutherford's Alpha Particles Scattering Experiment

Q. Which of the following statements are correct regarding the alpha particles used in the Rutherford's model?

1. Alpha particles are negatively charged species
2. Alpha particles are positively charged species
3. Alpha particles emitted by radioactive elements are used
4. Alpha particles are electrically neutral

Q.

What is a positively charged core in the center of the atom is called?

1. Neutron

2. Anode

3. Proton

4. Nucleus

Q. What is the drawback of J.J. Thomson’s atomic model?

[1 Mark]
[Exemplar]
[Atomic Models]

Q. Which of the following statements are correct regarding the alpha particles used in the Rutherford's model?

1. Alpha particles are negatively charged species
2. Alpha particles are positively charged species
3. Alpha particles emitted by radioactive elements are used
4. Alpha particles are electrically neutral

Q. Which of the following statements are correct regarding the alpha particles used in the Rutherford's model?

1. Alpha particles are negatively charged species
2. Alpha particles are positively charged species
3. Alpha particles emitted by radioactive elements are used
4. Alpha particles are electrically neutral

Q. Rutherford's alpha particle scattering experiment established that:

1. Electrons are negatively charged
2. Positive charge is not evenly distributed throughout an atom
3. Electrons are positively charged
4. Atoms are made up of protons, neutrons and electrons

Q. Which of the following statements are correct regarding the alpha particles used in the Rutherford's model?

1. Alpha particles are electrically neutral
2. Alpha particles emitted by radioactive elements are used
3. Alpha particles are negatively charged species
4. Alpha particles are positively charged species

Q. Which of the following are the conclusion of Rutherford's alpha scattering experiment?

1. Electrons have a negative charge
2. The mass and the positive charge of the atom are concentrated in the centre
3. Neutron exists in the centre
4. Most of the space in the atom is empty

Q. Rutherford used alpha particles in his experiment. The charge of alpha particles is _________.

1. 2
2. -2
3. 4
4. -1