Module 1 Unit 3 Assignment D

Module 1 Unit 3 Assignment D - to the following symbols. a)...

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MODULE 1 UNIT 3 Assignment Part D 1. Write the symbols for deuterium and for tritium. For each, identify the mass number and the atomic number. 2 marks - The symbol for deuterium looks like this: the mass number is 2 and the atomic number is 1. - The symbol for tritium looks like this: the mass number is 3 and the atomic number is 1. 2. Find the number of protons, electron and neutrons corresponding
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Unformatted text preview: to the following symbols. a) Sr 90 38- protons: 38 electrons: 38 neutrons: 52 b) U 238 92- protons: 92 electrons: 92 neutrons: 146 c) I 129 53- protons: 53 electrons: 53 neutrons: 76 d) -Br 80 35- protons: 35 electrons: 35 neutrons: 45 8 marks Total 10 marks Submission Instructions Submit your assignment using the drop box on the Assignment page for this unit....
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This note was uploaded on 05/26/2011 for the course SCIENCE 101 taught by Professor Smith during the Spring '11 term at Algonquin College.

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