The charge of an electron was determined by
J.J Thomson
Goldstein
Stoney
Mullikan
____ is considered to be a divisible particle.
Atom
Molecule
Matter
Element
Atomic mass is expressed in
Gram atomic mass
Atomic mass unit(amu)
Gram molecular mass
Mole
_______ is the volume occupied by one mole of any gas at STP.
Molar volume
Atomic mass
Molecular mass
Atomic number
Atoms having same mass number but different atomic number is known as
Isotopes
Isobar
Isotone
Allotropes
Actual mass of an electron is
10.9 × 10-29 g
9.11 × 10-28g
8.12 × 1029g
9.8 × 10-31g
Volume occupied by imole of a gas at STP is
22.4l
24.2l
20.4l
24.4l
The word atom is derived from the Greek word
"atomic"
"atoms"
molecule
Substance
The number of atoms present in one molecule of an element is
Atomic number of an element
Molecular formula of an element
Atomicity of an element
Avagadro number of an element
Neutron was discovered by
James Chadwick
Fermi