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radium

Radium vs Ionium - What's the difference?

radium | ionium |


As nouns the difference between radium and ionium

is that radium is radium while ionium is (physics|dated) a supposed decomposition-product of actinium once thought to be the source of radium.

Radium vs Mesothorium - What's the difference?

radium | mesothorium |


As nouns the difference between radium and mesothorium

is that radium is a radioactive metallic chemical element (symbol Ra) with an atomic number of 88 while mesothorium is any product of the radioactive decay of thorium, mainly isotopes of radium and actinium.

Radium vs Nonradium - What's the difference?

radium | nonradium |


As a noun radium

is radium.

As an adjective nonradium is

not of or pertaining to radium.

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