Which experiment observation led to the following conclassions ?
a. Atom contains a massive positive center
Size of the nucleus is very small

Which of the following atom or ions has the smallest size?

Which of the following atom or ions has the smallest size?

Which of the following atom or ions has the smallest size?

Which of the following does not contain nucleus at maturity ?

Which of the following atoms I the largest in size?

Which of the following has the small size ?

(a) What observations in scartterting experiment led Rutherford to make the following conclusions? (i) The most of the space in an atom is empty. (ii) The whole of the mass of the atom is present in the centre of the nucleus. (iii) Nucleus has positive charge. (b) What is the value of orbital angular momentum for an electron in 2s orbital ? (c ) How many electrons in an atom may have n = 4 and m_s = + 1//2 ? (d) What physical meaning is attributed to the square of the absolute value of wave function Psi^2 ?

What is the information conveyed by the following observations Mass of the atom is due to the nucleus.