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chemical reactivity
ash surface
3
eruption plume
3
volcanic ash
3
1413
2
1435
2
Bohr model
2
Johannes Diderik van der Waals
2
Niels Bohr
2
acid
2
adhesion
2
aliphatic hydrocarbon
2
anion
2
aromatic hydrocarbon
2
atom
2
atomic mass
2
atomic number
2
balanced chemical equation
2
base
2
boiling point
2
buffer
2
calorie
2
capillary action
2
carbon
2
carbon dating
2
carbonic acid-bicarbonate buffer system
2
cation
2
chemical bond
2
chemical reaction
2
chemical signal
2
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