Rutherford's Alpha Scattering Experiment

Q. Rutherford concluded that most space inside an atom is empty.

1. True
2. False

Q. Which of the following is not a conclusion from Rutherford’s alpha scattering experiment?​

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1. The size of a nucleus is very small as compared to the size of an atom​
2. Mass of the atom is concentrated in its orbits
3. The negatively charged electrons surround the nucleus of an atom​
4. There is a positively charged center in the atom called nucleus​

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

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

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 are positively charged species
3. Alpha particles emitted by radioactive elements are used
4. Alpha particles are negatively charged species