1.
6 Proton are found in nucleus of
2.
The number of electron in the nucleus of Cl is
3.
The fundamental particles present in the nucleus of an atom are
4.
A neutral atom ( Atomic number > 1 ) consist of
5.
The discovery of neutron becomes very late because
6.
Who discovered neutron ?
7.
Which one is the following has unit positive charge and one amu mass
8.
The nucleus of the atom consist of
9.
Number of electrons in the outermost orbit of the element of atomic number 15 is
10.
Which is not deflected by magnetic field.
11.
The proton and neutron are collectively called as
12.
The number of electron in one molecule of CO2
15.
The number of neutron in heavy hydrogen atom is
16.
What is the ratio of mass of an electron to the mass of proton
17.
Rutherford experiment prove
18.
Penetration power of proton is
19.
lightest fundamental particle is
20.
α particle is identical with
21.
Neutron are found in atoms of all elements except in
22.
The Nucleus of helium contains
23.
Electromagnetic radiation with maximum wave length is
24.
The number of electron in the nucleus of C12 is
25.
An electron is moving in Bohr's forth orbit.Its de-brogile wave length is λ what is the circumference of forth orbit.
26.
Anode rays were discovered by
27.
alpha particles are represented by
28.
Proton was discovered by
29.
Rutherford scattering experiment is related to size of
30.
Number of unpaired electrons in inert gas is
32.
The nature of anode rays depends upon
33.
Nuclei tend to have more neutrons than protons at high mask numbers because
34.
The atomic number of an element is 35 and mass number is 81 the number of electron in outermost Shell is
35.
Atom was discovered by
36.
Nuclear theory of atom was put forward by
37.
The mass of an atom is constituted mainly by
38.
Which of the following particle have more electron than Neutron
39.
An element has 8 electrons in the valence shell
40.
An elementary particle is
41.
Who discovered that cathode rays are made up of elecrtrons
42.
Positive ions are formed from the neutral atom by the
43.
The number of electron in the nucleus of -CONH2 is
44.
Mass of neutron is approximately.............. times of mass of electron
45.
The ratio of charge and mass would be greater for
