Hydrogen differs from deuterium in _____________ properties?
Correct answer: B. Physical
- A. Radioactive
- B. Physical
- C. Chemical
- D. All A., B. and C.
Explanation
Hydrogen and deuterium have nearly identical chemical behavior because both have one electron, but their different masses produce measurable physical-property differences. Deuterium is a stable isotope, so it is not radioactive.
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