Chemistry-Isotopes

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9 Terms

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strontium 90

used to determine the thickness of metal sheets

<p><span style="line-height: 1.5rem;"><span>used to determine the thickness of metal sheets</span></span></p>
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use of cobalt 60

radiotherapy- used to treat and cure cancer cells

<p>radiotherapy- used to treat and cure cancer cells</p>
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uranium 235

used in nuclear power generation

<p>used in nuclear power generation</p><p></p>
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carbon 14

determine when an organism died up to 50 000 years

<p><span style="line-height: 1.5rem;"><span>determine when an organism died up to 50 000 years</span></span></p>
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example isotopes of carbon

1. Carbon-12 (¹²C)

• Atomic Structure: 6 protons + 6 neutrons

• Carbon-13 (¹³C)

• Atomic Structure: 6 protons + 7 neutrons

• Carbon-14 (¹⁴C)

• Atomic Structure: 6 protons + 8 neutrons

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radioactive decay

the process of emitting radioactive particles from unstable nuclei to make the nuclei more stable

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radioactive isotopes

an isotope that releases / emits radioactive particles spontaneously to become more stable. WHY- due to unstable nuclei due to different number of protons and neutrons.

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isotopes

atoms with same atomic number but different nucleon numbers

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