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Part66EASA Module3.1Electron Theory(2of3)
This model question paper covers the DGCA,EASA Part 66 Sub Module 3.1 Electron Theory -Structure and distribution of electrical charges within: atoms, molecules, ions, compounds; Molecular structure of conductors, semiconductors and insulators.
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A neutron is a particle which is

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What charge does the nucleus of an atom possess?

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Matter is defined as *
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What is a molecule?
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Elements such as phosphorus with 5 electrons in their outer shell, when combined with pure silicon, is a
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What are the most widely used semiconductor materials? 
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An element whose atoms have fewer than 4 electrons in their valency shell are

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An oxygen molecule is made up of
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An element whose atoms have fewer than 4 electrons in their valency shell are
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  An element whose atoms have fewer than 4 electrons in their valency shell are
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What is required for an electron to stay in orbit? 
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What is a positive ion called?
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What is the maximum number of electrons in shell N of an atom?

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The unit which consists of two or more different types of Atoms is known as:
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An element could be considered to be a conductor if it has
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What happens when an atom loses an electron?
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Which subatomic particle has the least mass? 
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  An element whose atoms have fewer than 4 electrons in their valency shell are   
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When an atom loses or gains an electron it is called.
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What determines an atom's valence? 
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The smallest Particle that a compound can be split and show the same properties as the whole is known as:
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If electrons are added to an atom it becomes

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  The Electron Valence of an Element with four electrons is: A. 0 B. 2 C. 4  
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What is the most basic building block of all matter?
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