IG Phy – Radioactive Decay and Half-Life(II)
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Question 1 of 10
1. Question
1 point(s)The half-life of carbon-14 is about 5700 years.
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Question 2 of 10
2. Question
1 point(s)Carbon dating is based on the assumption that the ratio of carbon-14 to carbon-12 in the atmosphere has remained constant over time.
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Question 3 of 10
3. Question
1 point(s)When living material dies, it stops taking in new carbon, including carbon-14.
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Question 4 of 10
4. Question
1 point(s)The ratio of carbon-14 to carbon-12 increases over time after the death of an organism.
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Question 5 of 10
5. Question
1 point(s)The nuclide notation 92238U indicates uranium with 146 neutrons.
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Question 6 of 10
6. Question
1 point(s)The nucleus left behind after alpha decay is the same element as the original nucleus.
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Question 7 of 10
7. Question
1 point(s)Gamma rays are the most ionizing type of radiation.
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Question 8 of 10
8. Question
1 point(s)A Geiger-Müller tube detects radiation by counting the number of ionizing particles.
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Question 9 of 10
9. Question
1 point(s)Beta decay increases the proton number of the nucleus by 1.
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Question 10 of 10
10. Question
1 point(s)An alpha particle has a relative charge of +2 and a high ionizing effect.
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