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Rubidium
Rubidium
Partially molten rubidium metal in an ampoule
Partially molten rubidium metal in an ampoule
Rubidium crystals (silvery) compared to caesium crystals (golden)
Rubidium crystals (silvery) compared to caesium crystals (golden)
Flame test for rubidium
Flame test for rubidium
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Dalton's symbols for the more common elements, as of 1806, and the relative weights he calculated. The symbols for magnesium and calcium ("lime") were
Dalton's symbols for the more common elements, as of 1806, and the relative weights he calculated. The symbols for magnesium and calcium ("lime") were replaced by 1808, and that for gold was simplified.