Chemistry
What actinide was once used to power pacemaker batteries, but has since been replaced?
More Questions from Chemistry
An atom of which of the following elements has the smallest volume?
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What number is also the same as proton number and the number of electrons of a neutral atom?
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The dumping of most toxic chemicals into the ocean was banned by what treaty?
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Lithium on the periodic table is noted by which symbol?
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What are vast amounts of oil that have become trapped in one place called?
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Which of these is the primary component of natural gas?
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