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lorasvet [3.4K]
3 years ago
8

Medical diagnosis and ______ are common uses of radioactive elements in health care.

Chemistry
1 answer:
KengaRu [80]3 years ago
6 0
<span>The half-life of Carbon 14 and radionuclides are used to estimate the absolute (versus relative) age of pre-history items </span>
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During the formation of a chemical bond between two hydrogen atoms, which of the following statements is always true?
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During the formation of a chemical bonds between two hydrogen atoms, energy is always released during the formation of this bond type.

Bond formation process is usually exothermic and energy is released during the formation of the bond.

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For a bond formation process in which hydrogen atoms are bonded covalently, energy is usually released.

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