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Part 1- Atoms

The smallest particles of elements that can be broken into and still retain the properties of the element is what? Atoms
What two types of particles are found within the nucleus of an atom? Protons and neutrons.
What charges are protons? Positive
What charge are neutrons? Neutral.
What is the heaviest part of an atom? The nucleus
Electrons that are in motion around the nucleus have a _______ charge. Negative
How many electrons are there for each proton that resides in the nucleus? One
The various orbits that the electrons occupy around the nucleus are known as _______. Shells
What are shells? The various orbits that the electrons occupy around the nucleus.
How many electrons can the first shell hold? Up to two
How many electrons can the second shell hold? Eight
How many electrons can the third shell hold? Eighteen
What is the valence shell? The outer shell of an atom that plays a major roll in determining the electrical properties of an element.
The outer shell of an atom is known as its ____________. Valence shell.
What determines whether an element is a conductor, a semiconductor, or an insulator? The number of electrons that reside in the valence shell.
What is a conductor? A conductor is an element that freely conducts electricity.
What is a semiconductor? A semiconductor is neither a good conductor nor an insulator, but has some remarkable properties that make it very useful for making electronic components.
What is an insulator? An insulator an element that does not conduct electricity at all.
Created by: Cheetahman
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