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objectives
objectives
- Describe the Composition of the Nucleus in terms of Protons and Neutrons
- Use the terms Proton Number (Z) and Nucleon Number (A)
- Use and Explain the term Isotope
- Use and interpret the term Nuclide and use Nuclide Notation
activity - can you fill in these tables?
activity - can you fill in these tables?
Where does Radioactivity Come from?
Where does Radioactivity Come from?
RADIATION - is EMITTED from the NUCLEUS OF UNSTABLE ATOMS
When Unstable Atoms emit Radiation - they become STABLE
The Nucleus
The Nucleus
The Nucleus is made of PROTONS and NEUTRONS - Both of these particles are called NUCLEONS
Proton Number (Z) and Nucleon Number (A)
Proton Number (Z) and Nucleon Number (A)
The Nucleon Number is also called the Mass Number in Chemistry
Isotopes
Isotopes
Atoms with the SAME PROTON NUMBER but a different NEUTRON NUMBER
Nuclide Notation
Nuclide Notation
A Nuclide is an atom of an element that has a SPECIFIC NUMBER OF PROTONS AND NEUTRONS
Notice that in Nuclide Notation the Proton Number and Nucleon Number appear on the LEFT HAND SIDE of the Element Symbol
activity - nuclide notation
activity - nuclide notation
What are the Nuclide Notations of each of these isotopes?
activity - 'japan's ancient trees'
activity - 'japan's ancient trees'
Read the passage below entitled ‘How Japan’s Ancient Trees could tell the Future’.
- Why is Knowledge of Radioactive Isotopes important in this story?
Write a complete Paragraph that answers the question using the Hamburger PEEL method - ensure you have a POINT, EVIDENCE, EXPLANATION and then LINK in your paragraph.
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