Chemistry
Ion Beam
100%
Collision
44%
Dissociation
44%
Ground State
42%
Energy
40%
Electronic State
39%
Hypervalence
38%
Kinetic Isotope Effect
38%
Molecule
33%
Ion
32%
Electron Transfer
29%
Mass Spectrum
28%
Sigma Bond
27%
Potential Energy Surface
27%
Isotope Effect
24%
Ionization Potential
24%
Kinetic Energy
23%
Neutralization
21%
Transfer Reaction
20%
Electron Capture
20%
Ab Initio Calculation
20%
Hydride
19%
Angular Momentum
18%
Refractive Index
18%
Association Reaction
18%
QCISD(T)
18%
Valence
17%
Transition State
17%
CCSD
15%
Electron Correlation
15%
Radiative Transition
15%
Metal Atom
14%
Rotational State
14%
Chemical Ionization
13%
Vibrational Frequency
13%
Predissociation
13%
Fragmentation
13%
Hydrogen
13%
Point Group C2v
12%
Alkali Metal
12%
Rydberg State
12%
Isotope
12%
Ionization
12%
Excited State
11%
Point Group C4h
11%
Application
11%
Excited Electronic State
11%
Electron Particle
11%
Polarization
11%
Ionization of Gases
10%
Ozone
10%
Coupled Cluster
10%
Hollow Cathode Discharge
10%
Zero Point Energy
10%
Electron Ionization
10%
Nonradiative Transition
9%
Surface Ionization
9%
Electronic Orbital Angular Momentum
9%
Cluster Ion
9%
Mixture
8%
Internal Energy
8%
Noble Gas Atom
8%
Velocity
8%
Fractionation
8%
Oxonium
8%
Methylammonium
8%
Free Electron
8%
Potential Energy
8%
Aluminium Ion
8%
Carborane
8%
Dye
8%
Orbital
8%
Spin-Orbit Coupling
7%
Physics & Astronomy
ion beams
54%
metastable state
49%
isotope effect
39%
molecules
33%
symmetry
29%
potential energy
29%
atoms
28%
ions
28%
dissociation
27%
electronics
26%
ground state
22%
collisions
22%
spectroscopy
21%
constrictions
19%
electron transfer
19%
hydrides
18%
algae
18%
methylidyne
17%
life (durability)
17%
interactions
17%
electrostatics
16%
energy
16%
electron capture
16%
valence
14%
hydrogen
13%
refractivity
13%
excitation
12%
kinetics
12%
ionization potentials
12%
association reactions
11%
scattering
11%
water
11%
products
11%
fractionation
10%
activation energy
10%
fragmentation
10%
insertion
10%
harmonics
10%
trajectories
10%
electrons
10%
curves
10%
geometry
10%
isotopes
9%
surface ionization
9%
boron
8%
neutral beams
8%
molecular clusters
8%
ozone
8%
metals
8%
stabilization
8%
orbitals
7%
cross sections
7%
inserts
7%
kinetic energy
6%
angular momentum
6%
configuration interaction
6%
cations
6%
platinum
6%
ionization
6%
anions
6%
rare gases
6%
temperature
6%
rotational states
5%
zero point energy
5%
photoelectrons
5%
broken symmetry
5%
collision rates
5%
ligands
5%
energy transfer
5%
frequency shift
5%