Complete the following table:

	Particle	Electron	Proton	Neutron
$1$	Symbol	${\mathrm{e}}^{-}$
$2$	Nature		Positively charged
$3$	Relative charge	$-1$
$4$	Absolute mass			$1.67\times {10}^{-24} \mathrm{g}$

With respect to Rutherford's scattering experiment, answer the following question:

• What was the foil made-up of?

With respect to the Rutherford scattering experiment, answer the following question:

• Why do most of the alpha particles pass straight?

With respect to Rutherford scattering experiment, answer the following question:

• "Very few alpha-particles were deflected by the foil by small angles". What does this show?

With respect to Rutherford scattering experiment, answer the following question:

• Which radiations are bombarded on Gold foil?

With respect to the Rutherford scattering experiment, answer the following question:

Which substance released the alpha particles?

Name the following:

Special machine used for splitting an atom _____. (Particle accelerator / Splitter)

Name the following:

The family to which electrons belong is _____. (Leptons / Quarks)

Name the Following:

• Neutral particles present in the nucleus are _____.