atomic theory
Who discovered electron ?
J. J.Thomson
Where is the proton located in the atom?
neucleus
The element with atomic mass 12 is
carbon
What subatomic particle was discovered through Rutherford gold foil experiment ?
Protons (positively charged)
Where are electrons located in the atom?
energy levels or orbitals or shells
what is the atomic number of magnesium ?
24
Who discovered neutron?
Chadwick
what is the charge on the nucleus
positive
How many neutrons does a Neon atom have?
(atomic number=10)
10
(atomic mass-atomic number)
Who discovered energy levels or shells in an atom ?
Niel Bohr
What is the electric charge on electron?
negatively charged
What makes up the mass of an atom ?
Nucleus
Whose model of atom describes atoms are indivisible, small and atoms of same elements are identical
Daltons' model of atom
What are the three subatomic particles
proton, neutron and elctron
What makes up the volume of an atom?
energy levels
or
electrons in shells