MCQ PRACTICE -1

The fundamental particles present in the nucleus of an atom are:

Which is correct statement about proton?

Which of the following concept was considered in Rutherford's atomic model?

The α−particle scattering experiment of Rutherford concluded that

If Rutherford would have used β-particles instead of 

In a particular set-up, the Rutherford alpha ray scattering experiment using thin gold foil, N(θ) is found to be x. If a platinum foil of double thickness is used instead, N(θ) would be:

If the atomic number of an atom is 17 and the mass number is 35 then the number of neutrons will be

Which of the following observations from Rutherfords experiment disprove Thomsons proposal that the atom is a positively charged sphere? table { border-collapse: collapse; width: 100%; } th, td { border: 1px solid #dddddd; text-align: left; padding: 8px; } th { background-color: #f2f2f2; }

Which of the following are isotopes?

Positively charged radiation was discovered by?

Which of the following has zero valency?

Statement I :
\(^{12}\textrm{C}\)

An atom as a whole is electrically neutral because the number of protons is equal to the number of electrons. Is the given statement true?

In Rutherford's experiment, a thin gold foil was bombarded with alpha particles. If 'Thomson's Plum-Pudding' model of the atom was applicable, then what should have happened?

Which of the following atom has no neutron in its nucleus ?

Which of the following is always a whole number?

$$_{18} Ar^{40} , \ _{20} Ca^{40}$$ and $$ {_{19}}K^{40}$$

The number that represents, how many times one atom of an element is heavier than mass of one atom of carbon
\(_{6}^{12}\textrm{C}\)

The mass of an atom is concentrated inside the ............. of an atom.

Rutherford's alpha particle scattering experiment established that: