neolmar9329
14.07.2020 •
Biology
To what element does Thorium-230 (atomic number-90) decay when it emits an alpha particle (42He)? a. 22688Ra c. 22886Rn b. 23090Ra d. 22286Rn
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Ответ:
Option A
Explanation:
Thorium-230 decays to Radium-226 also emitting an
particle.
The reaction is as follows:
Ответ:
SAME
sunflower and a shark need water to survive and sharks and sunflowers stand for somethings.
DIFFERENT
sharks need meet to live and are dangerous and sunflowers need soil to live and are beautiful
Explanation: