What is the isotope that is used in carbon dating? What is its half-life?

Chemistry In Focus
7th Edition
ISBN:9781337399692
Author:Tro, Nivaldo J.
Publisher:Tro, Nivaldo J.
Chapter9: Energy For Today
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12. What is the isotope that is used in carbon dating? What is its half-life?
13. In what year, approximately, did the person die whose skull was discovered in Laguna Beach, CA? In
what year was the tree cut down that was used for the wooden timber in Stonehenge (Include CE or
BCE)? CE is the common era (this year is CE 2020) and BCE is before common era (ex: Rome was
founded in 700 BCE). The image below can help you understand the timeline.
BC - BCE and AD - CE Terms
218 BC
AD 1066
AD 1950
2000
1500
1000
500
11
500
1000 / 1500
2000
+++
+
BC
AD
(Before Christ)
(Anno Domini)
ВСЕ
(Before Common Era)
СЕ
(Common Era)
BP (Before Present) = before AD 1950
Transcribed Image Text:12. What is the isotope that is used in carbon dating? What is its half-life? 13. In what year, approximately, did the person die whose skull was discovered in Laguna Beach, CA? In what year was the tree cut down that was used for the wooden timber in Stonehenge (Include CE or BCE)? CE is the common era (this year is CE 2020) and BCE is before common era (ex: Rome was founded in 700 BCE). The image below can help you understand the timeline. BC - BCE and AD - CE Terms 218 BC AD 1066 AD 1950 2000 1500 1000 500 11 500 1000 / 1500 2000 +++ + BC AD (Before Christ) (Anno Domini) ВСЕ (Before Common Era) СЕ (Common Era) BP (Before Present) = before AD 1950
3. D
+je + SNi
4. P –
32P
15
325
16
5. 12°BA + _ie
Ba+ _ĝe
56
6. 23°PU →
94
+ 235U
Transcribed Image Text:3. D +je + SNi 4. P – 32P 15 325 16 5. 12°BA + _ie Ba+ _ĝe 56 6. 23°PU → 94 + 235U
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