Answer:
Atom
Explanation:
Its the smallest unit into which matter can be divided without the release of electrically charged particles.
The sample will lose half of its mass after 4 hours. The half life.
82=4
The sample will lose half of the remaining four after another half life.
42=2 Hope this helps! :)
Answer:
True
Explanation:
<em>Please tell me if it is wrong!</em>
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