Give two properties of alpha particles. - Leaving Cert Chemistry - Question (c) - 2008
Question (c)
Give two properties of alpha particles.
Worked Solution & Example Answer:Give two properties of alpha particles. - Leaving Cert Chemistry - Question (c) - 2008
Step 1
Property 1: Charge and Mass
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Answer
Alpha particles have a positive charge due to the presence of two protons and two neutrons. They possess a mass of approximately 4 atomic mass units.
Step 2
Property 2: Penetration Ability
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Answer
Alpha particles have relatively low velocity and poor penetration ability. They are easily absorbed by materials; for instance, they can be stopped by a few sheets of paper or by the outer layer of human skin.
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