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
In the End, we will remember not the words of our enemies,
but the silence of our friends.