Associations to the word «Protactinium»
Noun
- Uranium
- Isotope
- Decay
- Hahn
- Neutron
- Oxide
- Carbonate
- Chloride
- Beta
- Oswald
- Sediment
- Reactor
- Oxidation
- Coordination
- Ore
- Hydrogen
- Pa
- Metal
- Element
- Calcium
- Vacuum
- Atom
- Otto
- Alpha
- Lighter
- Th
- Ion
- Oxygen
- Transition
- Deposit
- Half
- Electron
- Compound
- Discovery
- Chain
- Iv
- Radiation
- Separation
- Capture
- Temperature
- Reaction
- Reduction
- Particle
- Acid
- Concentration
- Symbol
- Fuel
- Amount
- Product
- Solution
- Material
- Table
- Produce
- Ocean
- Method
- Lead
- Structure
- Life
- Rate
- Process
- Turn
Adjective
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Wiktionary
PROTACTINIUM, noun. A chemical element (symbol Pa) with atomic number 91.
Dictionary definition
PROTACTINIUM, noun. A short-lived radioactive metallic element formed from uranium and disintegrating into actinium and then into lead.
Wise words
Men govern nothing with more difficulty than their tongues,
and can moderate their desires more than their words.