What is one advantage of radioactive dating over relative dating

Small amounts of barium impurities give the compound a rose color.

It is soluble in water, though less so than barium chloride, and its solubility decreases with increasing concentration of hydrochloric acid.

A typical self-luminous watch that uses radium paint contains around 1 microgram of radium.This made it possible for the Curies to separate out the radioactive compounds and discover a new element in them.The Curies announced their discovery to the French Academy of Sciences on 26 December 1898.Crystallization from aqueous solution gives the dihydrate Ra Cl O, isomorphous with its barium analog.The ionizing radiation emitted by radium bromide excites nitrogen molecules in the air, making it glow.

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More specifically, natural radium (which is mostly though participation from the 6s and 6p electrons (in addition to the valence 7s electrons) is expected due to relativistic effects and would enhance the covalent character of radium compounds such as Ra F) is a colorless, luminous compound.

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