On hardness and electronegativity equalization in chemical reactivity theory

Mathematics

• Equalization 100%
• Hardness 67%
• Density Functional Theory 58%
• Ground State 28%
• Electron 27%
• Molecules 26%
• Energy Functional 14%
• Second derivative 13%
• Piecewise Linear 12%
• Fluctuations 12%
• Linear Function 12%
• Positive definite 12%
• Internal 11%
• Continuous Function 10%
• Costs 9%
• Relationships 8%
• Demonstrate 8%

Physics & Astronomy

• reactivity 66%
• hardness 52%
• density functional theory 30%
• ground state 17%
• stairways 16%
• retaining 14%
• molecules 14%
• atoms 13%
• electrons 11%
• costs 10%
• matrices 7%
• energy 3%