Nicholson

Nicholson's contribution to atomic theory

• He proposed the plum pudding model

• He discovered the neutron

• He developed the Bohr model

• He introduced the concept of quantized energy levels

Nicholson's work in spectroscopy

• He discovered the hydrogen spectrum

• He developed the spectroscope

• He identified spectral lines of elements

• He proposed the quantization of spectral lines

Tags

NGSS.HS-PS4-3

Nicholson's role in the development of quantum mechanics

• He formulated the uncertainty principle

• He introduced wave-particle duality

• He contributed to the understanding of atomic spectra

• He developed the Schrödinger equation

Tags

NGSS.HS-PS4-3

Nicholson's influence on modern chemistry

• He discovered the periodic table

• He introduced the concept of isotopes

• He contributed to the understanding of chemical bonding

• He developed the electron cloud model

Nicholson's research on atomic structure

• He discovered the electron

• He proposed the nuclear model of the atom

• He introduced the concept of atomic orbitals

• He developed the quantum mechanical model

Nicholson's experiments with light

• He demonstrated the photoelectric effect

• He discovered the dual nature of light

• He developed the theory of relativity

• He proposed the wave theory of light

Tags

NGSS.HS-PS4-3

Nicholson's impact on the study of elements

• He discovered new elements

• He developed a method for element classification

• He proposed the law of octaves

• He contributed to the understanding of element isotopes

Nicholson's theory on atomic spectra

• He proposed the emission spectrum theory

• He developed the absorption spectrum model

• He introduced the concept of spectral lines

• He discovered the continuous spectrum

Nicholson's contribution to the understanding of atomic mass

• He discovered the concept of atomic mass units

• He developed the mass spectrometer

• He introduced the idea of relative atomic mass

• He proposed the law of definite proportions

Nicholson's work on chemical reactions

• He discovered the law of conservation of mass

• He introduced the concept of reaction rates

• He developed the collision theory

• He proposed the law of multiple proportions