Question : Nuclear fission is caused by the impact of
A. electron
B. deuteron
C. proton
D. neutron
Question Listed : Neutron, Nuclear Science,
Question : The nucleus of an atom consists of
A. All of the above
B. protons and neutrons
C. electrons and protons
D. electrons and neutrons
Question Listed : Proton, Neutron, Chemistry,
Question : The mass number of a nucleus is
A. a fraction
B. always more than the atomic weight
C. the sum of the number of protons and neutrons present in the nucleus
D. always less than its atomic number
Question Listed : Proton, Neutrons, Nucleus, Chemistry,
Question : The graphite rods in the nuclear reactor
A. convert fast moving neutrons into thermal neutrons
B. undergo combustion which triggers the nuclear fission
C. produce neutrons
D. react with U to release energy
Question Listed : Neutron, Chemistry,
Question : Which of the following mostly accounts for the mass of an atom?
A. electron and neutron
B. electron and proton
C. neutron and proton
D. neutrons
Question Listed : Neutron, Proton,
Question : Which of the following defines the Mass number of an atom?
A. number of electrons
B. number of protons + number of neutrons
C. number of neutrons + number of electrons
D. number of protons + number of electrons
Question Listed : Neutron, Proton,