Lesson 3.11 ENH Isotope Ratios
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Last updated 7 months ago
22 questions
1
What does the term 'isotope' refer to in chemistry?
What does the term 'isotope' refer to in chemistry?
1
The atomic number of an atom tells us what?
The atomic number of an atom tells us what?
1
What is mass number in an atom?
What is mass number in an atom?
1
How can isotopes of the same element be distinguished?
How can isotopes of the same element be distinguished?
1
An atom is said to "decay" when the contents of the nucleus change and release radiation. Radiation can be both energy and particles. If an unstable atom releases particles in a way that the atomic number has changed, the number of ___________ in the nucleus has changed.
An atom is said to "decay" when the contents of the nucleus change and release radiation. Radiation can be both energy and particles. If an unstable atom releases particles in a way that the atomic number has changed, the number of ___________ in the nucleus has changed.
1
What does the term 'radioisotope' refer to in chemistry?
What does the term 'radioisotope' refer to in chemistry?
1
What is a 'stable isotope'?
What is a 'stable isotope'?
1
What occurs during 'fractionation' of isotopes?
What occurs during 'fractionation' of isotopes?
1
Which isotope type tends to undergo 'fractionation' the most?
Which isotope type tends to undergo 'fractionation' the most?
3
How does fractionation occur in water during rain, and what is the result on oxygen isotope ratios?
How does fractionation occur in water during rain, and what is the result on oxygen isotope ratios?
3
How can the record of oxygen-18 in corals, trees, and skeletons be used scientifically?
How can the record of oxygen-18 in corals, trees, and skeletons be used scientifically?
1
Which regions of the ocean are enriched in oxygen-16 and which regions are enriched in oxygen-18 due to fractionation of isotopes?
Which regions of the ocean are enriched in oxygen-16 and which regions are enriched in oxygen-18 due to fractionation of isotopes?
1
What influences the oxygen isotope ratio in carbonate rocks?
What influences the oxygen isotope ratio in carbonate rocks?
1
Define magma in terms of geology.
Define magma in terms of geology.
1
Does the oxygen isotope ratio in rocks change over time?
Does the oxygen isotope ratio in rocks change over time?
1
How does isotope ratio in silicate rocks depend on temperature?
How does isotope ratio in silicate rocks depend on temperature?
3
How does the oxygen-18 to oxygen-16 ratio in rocks provide information about the past?
How does the oxygen-18 to oxygen-16 ratio in rocks provide information about the past?
1
What does the delta value represent in isotope ratios?
What does the delta value represent in isotope ratios?
1
What is a standard reference value in isotope ratio analysis?
What is a standard reference value in isotope ratio analysis?
1
How would you find the international standard for nitrogen?
How would you find the international standard for nitrogen?
1
How are isotopes used in the field of medicine and nuclear engineering?
How are isotopes used in the field of medicine and nuclear engineering?
5
Explain an example of how scientists use isotopes to study complex changes in the environment through space and time? Be sure to include what they measure and what they can learn from the measurements.
Explain an example of how scientists use isotopes to study complex changes in the environment through space and time? Be sure to include what they measure and what they can learn from the measurements.