Nuclear Chemistry. Nuclear Chemistry Objectives Students will be able to identify what radioisotopes are and why they undergo radioactive decay. Students.

Nuclear Chemistry

Nuclear Chemistry Objectives• Students will be able to identify what radioisotopes

are and why they undergo radioactive decay.

• Students will demonstrate understanding of radioactive decay through applications and graphing.

• Students will understand and classify nuclear reactions by the types of radiation produced.

ICP : 10/28

Objectives:• Atomic Structure Unit Exam• I can use the band of stability graph to predict if

an isotope is radioactive.

Homework: Band of Stability Wksht.: Read and plot isotopes

on band of stability graph.

ICP : 10/29Due:Band of Stability Worksheet

Objectives:• I can use the band of stability graph to predict if

an isotope is radioactive.

Homework: Band of Stability Wksht.: Graph isotopes and

predict if radioactive.

Nuclear Band of Stability

http://www.hasdeu.bz.edu.ro/softuri/fizica/mariana/Atomica/Table/lessons/11nuclear/nuclear.htm

Band of Stability Graph Analysis

1. What subatomic particles determined if each isotope had a stable nucleus?

2. Explain how the band of stability graph helps you determine if an isotope has a stable nucleus or not?

3. Does Xe-131 or Xe-135 have an unstable nucleus? Explain how you know this.

Nuclear Band of Stability

http://www.hasdeu.bz.edu.ro/softuri/fizica/mariana/Atomica/Table/lessons/11nuclear/nuclear.htm

Radioisotopes Radioisotopes • Atoms with unstable nuclei.• The ratio of protons-to-neutrons is not adequate

for nuclear stability.• Most elements need more neutrons than protons to

maintain stability within the nucleus.

• A reaction that occurs within the nucleus of a radioisotope in order to stabilize it.

• Also called: radioactive decay; radioactivity

• Spontaneous Reactions (occurs naturally).

• Reaction rates (speed of reactions) remain constant.

Nuclear Reactions

ICP : 10/30Objectives:• I can use the band of stability graph to predict

if an isotope is radioactive.• I can model, graph, and interpret radioactivity.

Homework:• Radiometric Dating Graph Worksheet

Radioactive Decay Graph

astronomy.nmsu.edu

Chemistry I : 10/31Objectives:• I can use the band of stability graph to predict

if an isotope is radioactive.• I can model, graph, and interpret radioactivity.• Complete M&Mium Lab

Homework:• Complete post-lab qts. for M&Mium lab.• Study for Radioactive quiz (tomorrow).

Radioactive Decay LabPurpose: Simulate and graph the radioactive decay

of an artificial radioisotope, M&Mium.

Pre-Lab Questions: 1. What side of the candy represents the parent isotope?2. What side of the candy represent the daughter isotope?3. What is the half-life of the M&Mium radioisotope?

Hypothesis: Complete on lab.

thefoxisblack.com

usd314.k12.ks.us

ICP : 11/1Infinite Campus Update:• Atomic Structure Exam (34pts.)• Band of Stability Wksht./Bell Ringer (11pts.)• Radioactivity Graphing Wksht. (10pts.)Due: • M&Mium Radioactive Decay LabObjectives:• I can use the band of stability graph to predict

if an isotope is radioactive.• I can model, graph, and interpret radioactivity. • Radioactive Decay Quiz.

Radioactive Decay Lab: Data Table Number of Half-Lives

Total Time(seconds)

# of M&Miums(parent isotope)

Daughter Isotope(decayed)

0

1

2

3

4

5

6

7

ICP : 11/4Infinite Campus Update:• M&Mium Lab (25pts.)• Radioactivity Quiz (16pts.)Objectives:• Review Radioactivity Quiz• I can model, graph, assess radioactivity.• Review Atomic Structure Exam

Homework:• Radioactivity problems

Radioactive Decay Quiz

Nuclear Band of Stability

http://www.hasdeu.bz.edu.ro/softuri/fizica/mariana/Atomica/Table/lessons/11nuclear/nuclear.htm

Radioactive Decay Graph

astronomy.nmsu.edu

ICP : 11/5

Due: • Radiometric Dating Graph• M&Mium Lab corrections

Objectives:• I can model, graph, and interpret radioactivity.

Homework:Radioisotopes and Radioactive Decay WorksheetStudy for make-up exam over Atomic Structure

Radioactive Decay Graph

astronomy.nmsu.edu

Nuclear Reactions: Half-Life

Transmutation: An element is converted into a different element during a nuclear reaction.

• Half-Life: The time it takes for half of a radioisotope sample (parent isotope) to decay into a more stable isotope (daughter isotope). Example: C-14 converted to N-14

ICP : 11/6

Objectives:• I can model, graph, and interpret radioactivity. • I can model electron arrangement in an atom.

Homework:Radioisotopes and Radioactive Decay WorksheetStudy for make-up exam over Atomic Structure (Thurs.)

ICP : 11/7Due:Radioactivity Article

Objectives:• Atomic Structure Make-up Exam• I can model, graph, and interpret radioactivity. • I can model electron arrangement in an atom.

Homework:Radioisotopes and Radioactive Decay WorksheetStudy for make-up exam over Atomic Structure (Thurs.)

Radiometric Dating Article

• Read and summarize the article on radiometric dating.