Alkali metals
Alkaline earth metals
Transition metals
Lanthanides
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Praseodymium
Regular price $39.99 USDRegular price -
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Actinides
Metalloids
Post-transition metals
Noble gases
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Praseodymium
Regular price $39.99 USDRegular price -
Proctatinium
Regular price $39.99 USDRegular price -
Promethium
Regular price $39.99 USDRegular price -
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Rutherfordium
Regular price $39.99 USDRegular price -
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Seaborgium
Regular price $39.99 USDRegular price -
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Technetium
Regular price $39.99 USDRegular price -
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