Questions
1. Describe the structure of atoms.
2. Define nucleons and atomic number.
Questions
1.Explain the term isotope.Write examples.
2.Sodium-24 has a proton number of 11 and a nucleon number of 24.What is the composition of the nucleus of a sodium-24 atom?
Questions
1.What are the properties of alpha particles?
2.What are the applications of alpha, beta and gamma emissions?
Questions
1. Define Half- life.
2. Calculate the Half-life of the radio active isotopes from the given graph above.
Questions
1.Describe the detection of ionizing radiation.
2.How radioactive materials are handled,used and stored on a safe way.
http://www.gcsescience.com/prad35-rutherford-marsden-alpha-scattering.htm
http://www.studyhut.com/wp-content/uploads/2012/11/Atomic-Number-and-Mass-Number-worksheet-1.pdf
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