Which is used for curing cancer?
Carbon-14
Sodium-24
Cobalt-60
Iodine-131
Atoms on losing or gaining electrons give electrically charged particles called
Ions
protons
neutrons
positrons
Beta particles are composed of
Protons
Electrons
Neutrons
Positrons
Alpha particle is an ion of
H+
He+
He2+
C+
During chemical reactions, atoms of all elements except hydrogen tend to acheive eight electrons in their outermost shell known as
octet rule
doublet rule
triplet rule
quartet rule
The name'electron' was given by
Rutherford
J.J.Thomson
G.J.Stoney
Bohr
The particles in the anode rays, when hydrogen gas was used in the discharge tube, was given the name
Proton
Electron
Neutron
Positron
The nucleus of an atom consists of
Protons and electrons
Protons alone
Electrons alone
Protons and neutrons
The isotopes of chlorine, chlorine-35 and chlorine-37 contains number of neutrons
18,19
17,18
18,20
17,19
For curing cancer of thyroid gland which isotope is used?
