Chemistry, 13.02.2021 01:00 20jacksone
What is half-life?
Half the life of an organism
The time it takes for the radioactivity of a specific isotope to fall to half its original value
The time it takes for a geologist to determine the age of a rock or mineral
The length and organism lived in prehistoric times
Answers: 3
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Amass of 100.0 g of solute is dissolved in water so that 850. ml of a 0.7500 m solution has been prepared. what is the molar mass of the solute?
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Write the symbol for every chemical element that has atomic number greater than 3 and atomic mass less than 12.0 u.
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Acamcorder has a power rating of 17 watts. if the output voltage from its battery is 7 volts, what current does it use?units:
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What is half-life?
Half the life of an organism
The time it takes for the radioactivity...
The time it takes for the radioactivity...
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