Related Questions

If the size of the nucleus of an atom is compared with a cricket ball, then the radius of the atom is approximately equal to how many kilometres?
A 0.5
B 0.005
C 0.05
D 5
The temperature at which ferromagnetic alpha iron transforms to paramagnetic alpha iron is
A 770°C
B 910°C
C 1050°C
D Below recrystallization temperature
Sphericity is the ratio of the surface area of a spherical particle having the same volume as the particle to the surface area of the particle. Which of the following has the maximum value of sphericity?
A Sphere
B Cube
C Cylinder (L/D = 1)
D Raschig rings
The nucleus of an atom consists of
A electrons and neutrons
B electrons and protons
C protons and neutrons
D All of the above
Who suggested that most of the mass of the atom is located in the nucleus?
A Thompson
B Bohr
C Rutherford
D Einstein
The nucleus of a hydrogen atom consists of
A 1 proton only
B 1 proton + 2 neutron
C 1 neutron only
D 1 electron only
The nucleus of the copper atom contains how many protons?
A 1
B 4
C 18
D 29
E None of the above
The ratio of volume of an atom to that of its nucleus is
A 1012
B 10-12
C 10-8
D 108
The fundamental particles present in the nucleus of an atom are
A Electron, proton
B Proton, neutron
C Neutron, electron
D Neutron, positron
What particles move around the nucleus of an atom and are negatively charged?
A Electrons
B Protons
C Positrons
D Neutrons

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