Chemistry

How many elements in the actinide series are not radioactive?

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What element was discovered as a component of the debris of the first hydrogen bomb explosion?
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What transition metal's symbol comes from the Latin word "hydrargyrum" meaning "liquid silver"?
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Which of these elements has the highest density?
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Which metal contains 60% copper and 40% zinc?
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What is the conversion of sugars in wort to alcohol and carbon dioxide?
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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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Which of the following is the symbol for Iron?
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Which element has the highest boiling point at 5933.2 Kelvin?
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