Terms
a stable negatively charged component of an atom
Electrons
An atoms electrons moves around the orbits of the fixed size and that the energy of an electron depends on the size of the orbit
Niels bhor
founded by niels bhor in 1913
Planetary model
Consists of a central nucleus that is usually surrounded by one or more electrons
Atoms
stated that electrons do not move in set paths around the nucles, but in waves
Erwin Schrodinger
Quantum model
A subatomic particle forming part of the nucleus of an atom and having no charge
Neutron
He experimented with cathode ray tubes showed that atoms contain tiny negatively charged subatomic particles called electrons
J.J. Thomson
founded by John Dalton in 1808
Solid sphere model
a substance that cannot be broken down into any other substance
Elements
He hypothesized that an atom is a solid sphere that couldn't be divided into smaller particles
John Dalton
founded by J.J. Thomson in 1904
plum pudding model
a collection of particles called protons, which are positively charged neutrons, which are electrically neutral
Nucleus
he described that the atom having a tiny and dense positive charged core called the nucleus
Ernest Rutherford
founded by Ernest Rutherford in 1911
nuclear model