Q. Molecule of methane contains four

View solution

Q. First spectrometer used to determine isotopes was

View solution

Q. Number of isotopes of tin is

View solution

Q. Molecular ions are generated by passing

View solution

Q. Isotopes of cadmium are

View solution

Q. Phenomenon of isotopy was discovered by

View solution

Q. Molecular formula is determined by multiplying n with

View solution

Q. Number of atoms or molecule present in one molar mass of an entity is known as

View solution

Q. Units by which hydrogen atom is lighter than hemoglobin is

View solution

Q. 1 atomic mass unit is equal to

View solution

Q. Sulphur has charge of

View solution

Q. One molecule of water contains oxygen atoms, which are

View solution

Q. Branch of chemistry showing quantitative relationship between reactants and products is

View solution

Q. Aluminium has charge of positive

View solution

Q. Masses of atoms or molecules expressed in grams is known as

View solution

Q. Number of subatomic particles in atoms is more than

View solution

Q. Word atom was derived from

View solution

Q. Word kinetic refers to

View solution

Q. Evaporation occurs only

View solution

Q. Rate of diffusion is

View solution